195913221

素因数分解:

$3^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{12227}}^1$

素因数の和:12353

約数の個数: 24

約数和(自身を含む): 306678240

約数和(自身を除く): 110765019

約数列:

[1, 3, 7, 21, 49, 109, 147, 327, 763, 2289, 5341, 12227, 16023, 36681, 85589, 256767, 599123, 1332743, 1797369, 3998229, 9329201, 27987603, 65304407, 195913221]

約数ペア:

[(1, 195913221), (3, 65304407), (7, 27987603), (21, 9329201), (49, 3998229), (109, 1797369), (147, 1332743), (327, 599123), (763, 256767), (2289, 85589), (5341, 36681), (12227, 16023)]