71440821

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{3517}}^1$

素因数の和:3621

約数の個数: 24

約数和(自身を含む): 107749304

約数和(自身を除く): 36308483

約数列:

[1, 3, 9, 37, 61, 111, 183, 333, 549, 2257, 3517, 6771, 10551, 20313, 31653, 130129, 214537, 390387, 643611, 1171161, 1930833, 7937869, 23813607, 71440821]

約数ペア:

[(1, 71440821), (3, 23813607), (9, 7937869), (37, 1930833), (61, 1171161), (111, 643611), (183, 390387), (333, 214537), (549, 130129), (2257, 31653), (3517, 20313), (6771, 10551)]