280555515

素因数分解:

$3^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{14951}}^1$

素因数の和:15104

約数の個数: 32

約数和(自身を含む): 502387200

約数和(自身を除く): 221831685

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 139, 417, 695, 1251, 2085, 3753, 6255, 14951, 18765, 44853, 74755, 134559, 224265, 403677, 672795, 2018385, 2078189, 6234567, 10390945, 18703701, 31172835, 56111103, 93518505, 280555515]

約数ペア:

[(1, 280555515), (3, 93518505), (5, 56111103), (9, 31172835), (15, 18703701), (27, 10390945), (45, 6234567), (135, 2078189), (139, 2018385), (417, 672795), (695, 403677), (1251, 224265), (2085, 134559), (3753, 74755), (6255, 44853), (14951, 18765)]