421659

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:136

約数の個数: 32

約数和(自身を含む): 752640

約数和(自身を除く): 330981

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 97, 161, 189, 207, 291, 483, 621, 679, 873, 1449, 2037, 2231, 2619, 4347, 6111, 6693, 15617, 18333, 20079, 46851, 60237, 140553, 421659]

約数ペア:

[(1, 421659), (3, 140553), (7, 60237), (9, 46851), (21, 20079), (23, 18333), (27, 15617), (63, 6693), (69, 6111), (97, 4347), (161, 2619), (189, 2231), (207, 2037), (291, 1449), (483, 873), (621, 679)]