81819654

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{1423}}^1$

素因数の和:1509

約数の個数: 48

約数和(自身を含む): 192342528

約数和(自身を除く): 110522874

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 518, 777, 1369, 1423, 1554, 2738, 2846, 4107, 4269, 8214, 8538, 9583, 9961, 19166, 19922, 28749, 29883, 52651, 57498, 59766, 105302, 157953, 315906, 368557, 737114, 1105671, 1948087, 2211342, 3896174, 5844261, 11688522, 13636609, 27273218, 40909827, 81819654]

約数ペア:

[(1, 81819654), (2, 40909827), (3, 27273218), (6, 13636609), (7, 11688522), (14, 5844261), (21, 3896174), (37, 2211342), (42, 1948087), (74, 1105671), (111, 737114), (222, 368557), (259, 315906), (518, 157953), (777, 105302), (1369, 59766), (1423, 57498), (1554, 52651), (2738, 29883), (2846, 28749), (4107, 19922), (4269, 19166), (8214, 9961), (8538, 9583)]