1520391145

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{54779}}^1$

素因数の和:54865

約数の個数: 32

約数和(自身を含む): 2282353920

約数和(自身を除く): 761962775

約数列:

[1, 5, 7, 13, 35, 61, 65, 91, 305, 427, 455, 793, 2135, 3965, 5551, 27755, 54779, 273895, 383453, 712127, 1917265, 3341519, 3560635, 4984889, 16707595, 23390633, 24924445, 43439747, 116953165, 217198735, 304078229, 1520391145]

約数ペア:

[(1, 1520391145), (5, 304078229), (7, 217198735), (13, 116953165), (35, 43439747), (61, 24924445), (65, 23390633), (91, 16707595), (305, 4984889), (427, 3560635), (455, 3341519), (793, 1917265), (2135, 712127), (3965, 383453), (5551, 273895), (27755, 54779)]