68399145

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79999}}^1$

素因数の和:80029

約数の個数: 24

約数和(自身を含む): 124800000

約数和(自身を除く): 56400855

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 79999, 239997, 399995, 719991, 1199985, 1519981, 3599955, 4559943, 7599905, 13679829, 22799715, 68399145]

約数ペア:

[(1, 68399145), (3, 22799715), (5, 13679829), (9, 7599905), (15, 4559943), (19, 3599955), (45, 1519981), (57, 1199985), (95, 719991), (171, 399995), (285, 239997), (855, 79999)]