81228735

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{257869}}^1$

素因数の和:257887

約数の個数: 24

約数和(自身を含む): 160910880

約数和(自身を除く): 79682145

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 257869, 773607, 1289345, 1805083, 2320821, 3868035, 5415249, 9025415, 11604105, 16245747, 27076245, 81228735]

約数ペア:

[(1, 81228735), (3, 27076245), (5, 16245747), (7, 11604105), (9, 9025415), (15, 5415249), (21, 3868035), (35, 2320821), (45, 1805083), (63, 1289345), (105, 773607), (315, 257869)]