25211475

素因数分解:

$3^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{1259}}^1$

素因数の和:1364

約数の個数: 36

約数和(自身を含む): 45700200

約数和(自身を除く): 20488725

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 89, 225, 267, 445, 801, 1259, 1335, 2225, 3777, 4005, 6295, 6675, 11331, 18885, 20025, 31475, 56655, 94425, 112051, 283275, 336153, 560255, 1008459, 1680765, 2801275, 5042295, 8403825, 25211475]

約数ペア:

[(1, 25211475), (3, 8403825), (5, 5042295), (9, 2801275), (15, 1680765), (25, 1008459), (45, 560255), (75, 336153), (89, 283275), (225, 112051), (267, 94425), (445, 56655), (801, 31475), (1259, 20025), (1335, 18885), (2225, 11331), (3777, 6675), (4005, 6295)]