81570762

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2621}}^1$

素因数の和:2668

約数の個数: 96

約数和(自身を含む): 229057920

約数和(自身を除く): 147487158

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 19, 21, 26, 38, 39, 42, 57, 63, 78, 91, 114, 117, 126, 133, 171, 182, 234, 247, 266, 273, 342, 399, 494, 546, 741, 798, 819, 1197, 1482, 1638, 1729, 2223, 2394, 2621, 3458, 4446, 5187, 5242, 7863, 10374, 15561, 15726, 18347, 23589, 31122, 34073, 36694, 47178, 49799, 55041, 68146, 99598, 102219, 110082, 149397, 165123, 204438, 238511, 298794, 306657, 330246, 348593, 448191, 477022, 613314, 647387, 697186, 715533, 896382, 1045779, 1294774, 1431066, 1942161, 2091558, 2146599, 3137337, 3884322, 4293198, 4531709, 5826483, 6274674, 9063418, 11652966, 13595127, 27190254, 40785381, 81570762]

約数ペア:

[(1, 81570762), (2, 40785381), (3, 27190254), (6, 13595127), (7, 11652966), (9, 9063418), (13, 6274674), (14, 5826483), (18, 4531709), (19, 4293198), (21, 3884322), (26, 3137337), (38, 2146599), (39, 2091558), (42, 1942161), (57, 1431066), (63, 1294774), (78, 1045779), (91, 896382), (114, 715533), (117, 697186), (126, 647387), (133, 613314), (171, 477022), (182, 448191), (234, 348593), (247, 330246), (266, 306657), (273, 298794), (342, 238511), (399, 204438), (494, 165123), (546, 149397), (741, 110082), (798, 102219), (819, 99598), (1197, 68146), (1482, 55041), (1638, 49799), (1729, 47178), (2223, 36694), (2394, 34073), (2621, 31122), (3458, 23589), (4446, 18347), (5187, 15726), (5242, 15561), (7863, 10374)]