243538542

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^2$

素因数の和:124

約数の個数: 144

約数和(自身を含む): 635599440

約数和(自身を除く): 392060898

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 27, 31, 38, 39, 54, 57, 62, 78, 93, 114, 117, 171, 186, 234, 247, 279, 342, 351, 361, 403, 494, 513, 558, 589, 702, 722, 741, 806, 837, 961, 1026, 1083, 1178, 1209, 1482, 1674, 1767, 1922, 2166, 2223, 2418, 2883, 3249, 3534, 3627, 4446, 4693, 5301, 5766, 6498, 6669, 7254, 7657, 8649, 9386, 9747, 10602, 10881, 11191, 12493, 13338, 14079, 15314, 15903, 17298, 18259, 19494, 21762, 22382, 22971, 24986, 25947, 28158, 31806, 33573, 36518, 37479, 42237, 45942, 51894, 54777, 67146, 68913, 74958, 84474, 100719, 109554, 112437, 126711, 137826, 145483, 164331, 201438, 206739, 224874, 237367, 253422, 290966, 302157, 328662, 337311, 346921, 413478, 436449, 474734, 492993, 604314, 674622, 693842, 712101, 872898, 985986, 1040763, 1309347, 1424202, 2081526, 2136303, 2618694, 3122289, 3928041, 4272606, 4509973, 6244578, 6408909, 7856082, 9019946, 9366867, 12817818, 13529919, 18733734, 27059838, 40589757, 81179514, 121769271, 243538542]

約数ペア:

[(1, 243538542), (2, 121769271), (3, 81179514), (6, 40589757), (9, 27059838), (13, 18733734), (18, 13529919), (19, 12817818), (26, 9366867), (27, 9019946), (31, 7856082), (38, 6408909), (39, 6244578), (54, 4509973), (57, 4272606), (62, 3928041), (78, 3122289), (93, 2618694), (114, 2136303), (117, 2081526), (171, 1424202), (186, 1309347), (234, 1040763), (247, 985986), (279, 872898), (342, 712101), (351, 693842), (361, 674622), (403, 604314), (494, 492993), (513, 474734), (558, 436449), (589, 413478), (702, 346921), (722, 337311), (741, 328662), (806, 302157), (837, 290966), (961, 253422), (1026, 237367), (1083, 224874), (1178, 206739), (1209, 201438), (1482, 164331), (1674, 145483), (1767, 137826), (1922, 126711), (2166, 112437), (2223, 109554), (2418, 100719), (2883, 84474), (3249, 74958), (3534, 68913), (3627, 67146), (4446, 54777), (4693, 51894), (5301, 45942), (5766, 42237), (6498, 37479), (6669, 36518), (7254, 33573), (7657, 31806), (8649, 28158), (9386, 25947), (9747, 24986), (10602, 22971), (10881, 22382), (11191, 21762), (12493, 19494), (13338, 18259), (14079, 17298), (15314, 15903)]