28264275

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3221}}^1$

素因数の和:3253

約数の個数: 48

約数和(自身を含む): 55933920

約数和(自身を除く): 27669645

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, 3221, 8775, 9663, 16105, 28989, 41873, 48315, 80525, 86967, 125619, 144945, 209365, 241575, 376857, 434835, 628095, 724725, 1046825, 1130571, 1884285, 2174175, 3140475, 5652855, 9421425, 28264275]

約数ペア:

[(1, 28264275), (3, 9421425), (5, 5652855), (9, 3140475), (13, 2174175), (15, 1884285), (25, 1130571), (27, 1046825), (39, 724725), (45, 628095), (65, 434835), (75, 376857), (117, 241575), (135, 209365), (195, 144945), (225, 125619), (325, 86967), (351, 80525), (585, 48315), (675, 41873), (975, 28989), (1755, 16105), (2925, 9663), (3221, 8775)]