520001181

素因数分解:

$3^3\times 7^2\times {\mathrm{23}}^2\times {\mathrm{743}}^1$

素因数の和:812

約数の個数: 72

約数和(自身を含む): 938064960

約数和(自身を除く): 418063779

約数列:

[1, 3, 7, 9, 21, 23, 27, 49, 63, 69, 147, 161, 189, 207, 441, 483, 529, 621, 743, 1127, 1323, 1449, 1587, 2229, 3381, 3703, 4347, 4761, 5201, 6687, 10143, 11109, 14283, 15603, 17089, 20061, 25921, 30429, 33327, 36407, 46809, 51267, 77763, 99981, 109221, 119623, 140427, 153801, 233289, 327663, 358869, 393047, 461403, 699867, 837361, 982989, 1076607, 1179141, 2512083, 2751329, 3229821, 3537423, 7536249, 8253987, 10612269, 19259303, 22608747, 24761961, 57777909, 74285883, 173333727, 520001181]

約数ペア:

[(1, 520001181), (3, 173333727), (7, 74285883), (9, 57777909), (21, 24761961), (23, 22608747), (27, 19259303), (49, 10612269), (63, 8253987), (69, 7536249), (147, 3537423), (161, 3229821), (189, 2751329), (207, 2512083), (441, 1179141), (483, 1076607), (529, 982989), (621, 837361), (743, 699867), (1127, 461403), (1323, 393047), (1449, 358869), (1587, 327663), (2229, 233289), (3381, 153801), (3703, 140427), (4347, 119623), (4761, 109221), (5201, 99981), (6687, 77763), (10143, 51267), (11109, 46809), (14283, 36407), (15603, 33327), (17089, 30429), (20061, 25921)]