22278945

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2657}}^1$

素因数の和:2721

約数の個数: 32

約数和(自身を含む): 39295872

約数和(自身を除く): 17016927

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 195, 215, 559, 645, 1677, 2657, 2795, 7971, 8385, 13285, 34541, 39855, 103623, 114251, 172705, 342753, 518115, 571255, 1485263, 1713765, 4455789, 7426315, 22278945]

約数ペア:

[(1, 22278945), (3, 7426315), (5, 4455789), (13, 1713765), (15, 1485263), (39, 571255), (43, 518115), (65, 342753), (129, 172705), (195, 114251), (215, 103623), (559, 39855), (645, 34541), (1677, 13285), (2657, 8385), (2795, 7971)]