28200825

素因数分解:

$3^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{1019}}^1$

素因数の和:1079

約数の個数: 48

約数和(自身を含む): 53121600

約数和(自身を除く): 24920775

約数列:

[1, 3, 5, 9, 15, 25, 27, 41, 45, 75, 123, 135, 205, 225, 369, 615, 675, 1019, 1025, 1107, 1845, 3057, 3075, 5095, 5535, 9171, 9225, 15285, 25475, 27513, 27675, 41779, 45855, 76425, 125337, 137565, 208895, 229275, 376011, 626685, 687825, 1044475, 1128033, 1880055, 3133425, 5640165, 9400275, 28200825]

約数ペア:

[(1, 28200825), (3, 9400275), (5, 5640165), (9, 3133425), (15, 1880055), (25, 1128033), (27, 1044475), (41, 687825), (45, 626685), (75, 376011), (123, 229275), (135, 208895), (205, 137565), (225, 125337), (369, 76425), (615, 45855), (675, 41779), (1019, 27675), (1025, 27513), (1107, 25475), (1845, 15285), (3057, 9225), (3075, 9171), (5095, 5535)]