128510475

素因数分解:

$3^1\times 5^2\times {\mathrm{401}}^1\times {\mathrm{4273}}^1$

素因数の和:4687

約数の個数: 24

約数和(自身を含む): 213050352

約数和(自身を除く): 84539877

約数列:

[1, 3, 5, 15, 25, 75, 401, 1203, 2005, 4273, 6015, 10025, 12819, 21365, 30075, 64095, 106825, 320475, 1713473, 5140419, 8567365, 25702095, 42836825, 128510475]

約数ペア:

[(1, 128510475), (3, 42836825), (5, 25702095), (15, 8567365), (25, 5140419), (75, 1713473), (401, 320475), (1203, 106825), (2005, 64095), (4273, 30075), (6015, 21365), (10025, 12819)]