281029005

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{87959}}^1$

素因数の和:88041

約数の個数: 24

約数和(自身を含む): 493983360

約数和(自身を除く): 212954355

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 87959, 263877, 439795, 791631, 1319385, 3958155, 6245089, 18735267, 31225445, 56205801, 93676335, 281029005]

約数ペア:

[(1, 281029005), (3, 93676335), (5, 56205801), (9, 31225445), (15, 18735267), (45, 6245089), (71, 3958155), (213, 1319385), (355, 791631), (639, 439795), (1065, 263877), (3195, 87959)]