28663839

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{479}}^1$

素因数の和:655

約数の個数: 24

約数和(自身を含む): 42556800

約数和(自身を除く): 13892961

約数列:

[1, 3, 9, 61, 109, 183, 327, 479, 549, 981, 1437, 4311, 6649, 19947, 29219, 52211, 59841, 87657, 156633, 262971, 469899, 3184871, 9554613, 28663839]

約数ペア:

[(1, 28663839), (3, 9554613), (9, 3184871), (61, 469899), (109, 262971), (183, 156633), (327, 87657), (479, 59841), (549, 52211), (981, 29219), (1437, 19947), (4311, 6649)]