64470399

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{38861}}^1$

素因数の和:38950

約数の個数: 16

約数和(自身を含む): 99486720

約数和(自身を除く): 35016321

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 38861, 116583, 272027, 816081, 3070019, 9210057, 21490133, 64470399]

約数ペア:

[(1, 64470399), (3, 21490133), (7, 9210057), (21, 3070019), (79, 816081), (237, 272027), (553, 116583), (1659, 38861)]