2180475

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{881}}^1$

素因数の和:908

約数の個数: 36

約数和(自身を含む): 4265352

約数和(自身を除く): 2084877

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 275, 495, 825, 881, 2475, 2643, 4405, 7929, 9691, 13215, 22025, 29073, 39645, 48455, 66075, 87219, 145365, 198225, 242275, 436095, 726825, 2180475]

約数ペア:

[(1, 2180475), (3, 726825), (5, 436095), (9, 242275), (11, 198225), (15, 145365), (25, 87219), (33, 66075), (45, 48455), (55, 39645), (75, 29073), (99, 22025), (165, 13215), (225, 9691), (275, 7929), (495, 4405), (825, 2643), (881, 2475)]