87764715

素因数分解:

$3^4\times 5^1\times {\mathrm{216703}}^1$

素因数の和:216720

約数の個数: 20

約数和(自身を含む): 157327104

約数和(自身を除く): 69562389

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 216703, 650109, 1083515, 1950327, 3250545, 5850981, 9751635, 17552943, 29254905, 87764715]

約数ペア:

[(1, 87764715), (3, 29254905), (5, 17552943), (9, 9751635), (15, 5850981), (27, 3250545), (45, 1950327), (81, 1083515), (135, 650109), (405, 216703)]