2161036125

素因数分解:

$3^3\times 5^3\times {\mathrm{640307}}^1$

素因数の和:640331

約数の個数: 32

約数和(自身を含む): 3995521920

約数和(自身を除く): 1834485795

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 675, 1125, 3375, 640307, 1920921, 3201535, 5762763, 9604605, 16007675, 17288289, 28813815, 48023025, 80038375, 86441445, 144069075, 240115125, 432207225, 720345375, 2161036125]

約数ペア:

[(1, 2161036125), (3, 720345375), (5, 432207225), (9, 240115125), (15, 144069075), (25, 86441445), (27, 80038375), (45, 48023025), (75, 28813815), (125, 17288289), (135, 16007675), (225, 9604605), (375, 5762763), (675, 3201535), (1125, 1920921), (3375, 640307)]