2109138915

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{636241}}^1$

素因数の和:636279

約数の個数: 32

約数和(自身を含む): 3847991616

約数和(自身を除く): 1738852701

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 636241, 1908723, 3181205, 8271133, 9543615, 10816097, 24813399, 32448291, 41355665, 54080485, 124066995, 140609261, 162241455, 421827783, 703046305, 2109138915]

約数ペア:

[(1, 2109138915), (3, 703046305), (5, 421827783), (13, 162241455), (15, 140609261), (17, 124066995), (39, 54080485), (51, 41355665), (65, 32448291), (85, 24813399), (195, 10816097), (221, 9543615), (255, 8271133), (663, 3181205), (1105, 1908723), (3315, 636241)]