28701675

素因数分解:

$3^3\times 5^2\times {\mathrm{101}}^1\times {\mathrm{421}}^1$

素因数の和:541

約数の個数: 48

約数和(自身を含む): 53374560

約数和(自身を除く): 24672885

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 101, 135, 225, 303, 421, 505, 675, 909, 1263, 1515, 2105, 2525, 2727, 3789, 4545, 6315, 7575, 10525, 11367, 13635, 18945, 22725, 31575, 42521, 56835, 68175, 94725, 127563, 212605, 284175, 382689, 637815, 1063025, 1148067, 1913445, 3189075, 5740335, 9567225, 28701675]

約数ペア:

[(1, 28701675), (3, 9567225), (5, 5740335), (9, 3189075), (15, 1913445), (25, 1148067), (27, 1063025), (45, 637815), (75, 382689), (101, 284175), (135, 212605), (225, 127563), (303, 94725), (421, 68175), (505, 56835), (675, 42521), (909, 31575), (1263, 22725), (1515, 18945), (2105, 13635), (2525, 11367), (2727, 10525), (3789, 7575), (4545, 6315)]