768195

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:451

約数の個数: 24

約数和(自身を含む): 1365936

約数和(自身を除く): 597741

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 397, 645, 1191, 1935, 1985, 3573, 5955, 17071, 17865, 51213, 85355, 153639, 256065, 768195]

約数ペア:

[(1, 768195), (3, 256065), (5, 153639), (9, 85355), (15, 51213), (43, 17865), (45, 17071), (129, 5955), (215, 3573), (387, 1985), (397, 1935), (645, 1191)]