207980505

素因数分解:

$3^2\times 5^1\times {\mathrm{1259}}^1\times {\mathrm{3671}}^1$

素因数の和:4941

約数の個数: 24

約数和(自身を含む): 360884160

約数和(自身を除く): 152903655

約数列:

[1, 3, 5, 9, 15, 45, 1259, 3671, 3777, 6295, 11013, 11331, 18355, 18885, 33039, 55065, 56655, 165195, 4621789, 13865367, 23108945, 41596101, 69326835, 207980505]

約数ペア:

[(1, 207980505), (3, 69326835), (5, 41596101), (9, 23108945), (15, 13865367), (45, 4621789), (1259, 165195), (3671, 56655), (3777, 55065), (6295, 33039), (11013, 18885), (11331, 18355)]