81653481

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{199}}^1$

素因数の和:395

約数の個数: 64

約数和(自身を含む): 150528000

約数和(自身を除く): 68874519

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 167, 189, 199, 273, 351, 501, 597, 819, 1169, 1393, 1503, 1791, 2171, 2457, 2587, 3507, 4179, 4509, 5373, 6513, 7761, 10521, 12537, 15197, 18109, 19539, 23283, 31563, 33233, 37611, 45591, 54327, 58617, 69849, 99699, 136773, 162981, 232631, 299097, 410319, 432029, 488943, 697893, 897291, 1296087, 2093679, 3024203, 3888261, 6281037, 9072609, 11664783, 27217827, 81653481]

約数ペア:

[(1, 81653481), (3, 27217827), (7, 11664783), (9, 9072609), (13, 6281037), (21, 3888261), (27, 3024203), (39, 2093679), (63, 1296087), (91, 897291), (117, 697893), (167, 488943), (189, 432029), (199, 410319), (273, 299097), (351, 232631), (501, 162981), (597, 136773), (819, 99699), (1169, 69849), (1393, 58617), (1503, 54327), (1791, 45591), (2171, 37611), (2457, 33233), (2587, 31563), (3507, 23283), (4179, 19539), (4509, 18109), (5373, 15197), (6513, 12537), (7761, 10521)]