9986895

素因数分解:

$3^4\times 5^1\times {\mathrm{24659}}^1$

素因数の和:24676

約数の個数: 20

約数和(自身を含む): 17903160

約数和(自身を除く): 7916265

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 24659, 73977, 123295, 221931, 369885, 665793, 1109655, 1997379, 3328965, 9986895]

約数ペア:

[(1, 9986895), (3, 3328965), (5, 1997379), (9, 1109655), (15, 665793), (27, 369885), (45, 221931), (81, 123295), (135, 73977), (405, 24659)]