2508075

素因数分解:

$3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:244

約数の個数: 36

約数和(自身を含む): 4584528

約数和(自身を除く): 2076453

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 157, 213, 225, 355, 471, 639, 785, 1065, 1413, 1775, 2355, 3195, 3925, 5325, 7065, 11147, 11775, 15975, 33441, 35325, 55735, 100323, 167205, 278675, 501615, 836025, 2508075]

約数ペア:

[(1, 2508075), (3, 836025), (5, 501615), (9, 278675), (15, 167205), (25, 100323), (45, 55735), (71, 35325), (75, 33441), (157, 15975), (213, 11775), (225, 11147), (355, 7065), (471, 5325), (639, 3925), (785, 3195), (1065, 2355), (1413, 1775)]