28242225

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{11411}}^1$

素因数の和:11438

約数の個数: 36

約数和(自身を含む): 55188432

約数和(自身を除く): 26946207

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 275, 495, 825, 2475, 11411, 34233, 57055, 102699, 125521, 171165, 285275, 376563, 513495, 627605, 855825, 1129689, 1882815, 2567475, 3138025, 5648445, 9414075, 28242225]

約数ペア:

[(1, 28242225), (3, 9414075), (5, 5648445), (9, 3138025), (11, 2567475), (15, 1882815), (25, 1129689), (33, 855825), (45, 627605), (55, 513495), (75, 376563), (99, 285275), (165, 171165), (225, 125521), (275, 102699), (495, 57055), (825, 34233), (2475, 11411)]