2158271505

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{28163}}^1$

素因数の和:28318

約数の個数: 48

約数和(自身を含む): 4059671616

約数和(自身を除く): 1901400111

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 131, 195, 393, 585, 655, 1179, 1703, 1965, 5109, 5895, 8515, 15327, 25545, 28163, 76635, 84489, 140815, 253467, 366119, 422445, 1098357, 1267335, 1830595, 3295071, 3689353, 5491785, 11068059, 16475355, 18446765, 33204177, 47961589, 55340295, 143884767, 166020885, 239807945, 431654301, 719423835, 2158271505]

約数ペア:

[(1, 2158271505), (3, 719423835), (5, 431654301), (9, 239807945), (13, 166020885), (15, 143884767), (39, 55340295), (45, 47961589), (65, 33204177), (117, 18446765), (131, 16475355), (195, 11068059), (393, 5491785), (585, 3689353), (655, 3295071), (1179, 1830595), (1703, 1267335), (1965, 1098357), (5109, 422445), (5895, 366119), (8515, 253467), (15327, 140815), (25545, 84489), (28163, 76635)]