129772275

素因数分解:

$3^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 220057344

約数和(自身を除く): 90285069

約数列:

[1, 3, 5, 15, 25, 75, 103, 107, 157, 309, 321, 471, 515, 535, 785, 1545, 1605, 2355, 2575, 2675, 3925, 7725, 8025, 11021, 11775, 16171, 16799, 33063, 48513, 50397, 55105, 80855, 83995, 165315, 242565, 251985, 275525, 404275, 419975, 826575, 1212825, 1259925, 1730297, 5190891, 8651485, 25954455, 43257425, 129772275]

約数ペア:

[(1, 129772275), (3, 43257425), (5, 25954455), (15, 8651485), (25, 5190891), (75, 1730297), (103, 1259925), (107, 1212825), (157, 826575), (309, 419975), (321, 404275), (471, 275525), (515, 251985), (535, 242565), (785, 165315), (1545, 83995), (1605, 80855), (2355, 55105), (2575, 50397), (2675, 48513), (3925, 33063), (7725, 16799), (8025, 16171), (11021, 11775)]