221570253

素因数分解:

$3^2\times {\mathrm{617}}^1\times {\mathrm{39901}}^1$

素因数の和:40524

約数の個数: 12

約数和(自身を含む): 320572668

約数和(自身を除く): 99002415

約数列:

[1, 3, 9, 617, 1851, 5553, 39901, 119703, 359109, 24618917, 73856751, 221570253]

約数ペア:

[(1, 221570253), (3, 73856751), (9, 24618917), (617, 359109), (1851, 119703), (5553, 39901)]