409771887

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1\times {\mathrm{2137}}^1$

素因数の和:2567

約数の個数: 32

約数和(自身を含む): 653509632

約数和(自身を除く): 243737745

約数列:

[1, 3, 7, 21, 23, 69, 161, 397, 483, 1191, 2137, 2779, 6411, 8337, 9131, 14959, 27393, 44877, 49151, 63917, 147453, 191751, 344057, 848389, 1032171, 2545167, 5938723, 17816169, 19512947, 58538841, 136590629, 409771887]

約数ペア:

[(1, 409771887), (3, 136590629), (7, 58538841), (21, 19512947), (23, 17816169), (69, 5938723), (161, 2545167), (397, 1032171), (483, 848389), (1191, 344057), (2137, 191751), (2779, 147453), (6411, 63917), (8337, 49151), (9131, 44877), (14959, 27393)]