28703025

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3271}}^1$

素因数の和:3303

約数の個数: 48

約数和(自身を含む): 56801920

約数和(自身を除く): 28098895

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 117, 135, 195, 225, 325, 351, 585, 675, 975, 1755, 2925, 3271, 8775, 9813, 16355, 29439, 42523, 49065, 81775, 88317, 127569, 147195, 212615, 245325, 382707, 441585, 637845, 735975, 1063075, 1148121, 1913535, 2207925, 3189225, 5740605, 9567675, 28703025]

約数ペア:

[(1, 28703025), (3, 9567675), (5, 5740605), (9, 3189225), (13, 2207925), (15, 1913535), (25, 1148121), (27, 1063075), (39, 735975), (45, 637845), (65, 441585), (75, 382707), (117, 245325), (135, 212615), (195, 147195), (225, 127569), (325, 88317), (351, 81775), (585, 49065), (675, 42523), (975, 29439), (1755, 16355), (2925, 9813), (3271, 8775)]