221491509

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{19373}}^1$

素因数の和:19516

約数の個数: 16

約数和(自身を含む): 306264192

約数和(自身を除く): 84772683

約数列:

[1, 3, 37, 103, 111, 309, 3811, 11433, 19373, 58119, 716801, 1995419, 2150403, 5986257, 73830503, 221491509]

約数ペア:

[(1, 221491509), (3, 73830503), (37, 5986257), (103, 2150403), (111, 1995419), (309, 716801), (3811, 58119), (11433, 19373)]