81028563

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1$

素因数の和:296

約数の個数: 64

約数和(自身を含む): 142884864

約数和(自身を除く): 61856301

約数列:

[1, 3, 7, 11, 21, 23, 33, 69, 77, 101, 151, 161, 231, 253, 303, 453, 483, 707, 759, 1057, 1111, 1661, 1771, 2121, 2323, 3171, 3333, 3473, 4983, 5313, 6969, 7777, 10419, 11627, 15251, 16261, 23331, 24311, 25553, 34881, 38203, 45753, 48783, 72933, 76659, 106757, 114609, 167761, 178871, 267421, 320271, 350773, 503283, 536613, 802263, 1052319, 1174327, 2455411, 3522981, 3858503, 7366233, 11575509, 27009521, 81028563]

約数ペア:

[(1, 81028563), (3, 27009521), (7, 11575509), (11, 7366233), (21, 3858503), (23, 3522981), (33, 2455411), (69, 1174327), (77, 1052319), (101, 802263), (151, 536613), (161, 503283), (231, 350773), (253, 320271), (303, 267421), (453, 178871), (483, 167761), (707, 114609), (759, 106757), (1057, 76659), (1111, 72933), (1661, 48783), (1771, 45753), (2121, 38203), (2323, 34881), (3171, 25553), (3333, 24311), (3473, 23331), (4983, 16261), (5313, 15251), (6969, 11627), (7777, 10419)]