1290295575

素因数分解:

$3^4\times 5^2\times {\mathrm{521}}^1\times {\mathrm{1223}}^1$

素因数の和:1766

約数の個数: 60

約数和(自身を含む): 2396618928

約数和(自身を除く): 1106323353

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 521, 675, 1223, 1563, 2025, 2605, 3669, 4689, 6115, 7815, 11007, 13025, 14067, 18345, 23445, 30575, 33021, 39075, 42201, 55035, 70335, 91725, 99063, 117225, 165105, 211005, 275175, 351675, 495315, 637183, 825525, 1055025, 1911549, 2476575, 3185915, 5734647, 9557745, 15929575, 17203941, 28673235, 47788725, 51611823, 86019705, 143366175, 258059115, 430098525, 1290295575]

約数ペア:

[(1, 1290295575), (3, 430098525), (5, 258059115), (9, 143366175), (15, 86019705), (25, 51611823), (27, 47788725), (45, 28673235), (75, 17203941), (81, 15929575), (135, 9557745), (225, 5734647), (405, 3185915), (521, 2476575), (675, 1911549), (1223, 1055025), (1563, 825525), (2025, 637183), (2605, 495315), (3669, 351675), (4689, 275175), (6115, 211005), (7815, 165105), (11007, 117225), (13025, 99063), (14067, 91725), (18345, 70335), (23445, 55035), (30575, 42201), (33021, 39075)]