30813155

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:483

約数の個数: 24

約数和(自身を含む): 40032432

約数和(自身を除く): 9219277

約数列:

[1, 5, 19, 43, 95, 215, 361, 397, 817, 1805, 1985, 4085, 7543, 15523, 17071, 37715, 77615, 85355, 143317, 324349, 716585, 1621745, 6162631, 30813155]

約数ペア:

[(1, 30813155), (5, 6162631), (19, 1621745), (43, 716585), (95, 324349), (215, 143317), (361, 85355), (397, 77615), (817, 37715), (1805, 17071), (1985, 15523), (4085, 7543)]