77718705

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1\times {\mathrm{421}}^1$

素因数の和:857

約数の個数: 32

約数和(自身を含む): 128990208

約数和(自身を除く): 51271503

約数列:

[1, 3, 5, 15, 31, 93, 155, 397, 421, 465, 1191, 1263, 1985, 2105, 5955, 6315, 12307, 13051, 36921, 39153, 61535, 65255, 167137, 184605, 195765, 501411, 835685, 2507055, 5181247, 15543741, 25906235, 77718705]

約数ペア:

[(1, 77718705), (3, 25906235), (5, 15543741), (15, 5181247), (31, 2507055), (93, 835685), (155, 501411), (397, 195765), (421, 184605), (465, 167137), (1191, 65255), (1263, 61535), (1985, 39153), (2105, 36921), (5955, 13051), (6315, 12307)]