220171749

素因数分解:

$3^1\times 7^2\times {\mathrm{1063}}^1\times {\mathrm{1409}}^1$

素因数の和:2489

約数の個数: 24

約数和(自身を含む): 342054720

約数和(自身を除く): 121882971

約数列:

[1, 3, 7, 21, 49, 147, 1063, 1409, 3189, 4227, 7441, 9863, 22323, 29589, 52087, 69041, 156261, 207123, 1497767, 4493301, 10484369, 31453107, 73390583, 220171749]

約数ペア:

[(1, 220171749), (3, 73390583), (7, 31453107), (21, 10484369), (49, 4493301), (147, 1497767), (1063, 207123), (1409, 156261), (3189, 69041), (4227, 52087), (7441, 29589), (9863, 22323)]