128565975

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{74531}}^1$

素因数の和:74567

約数の個数: 24

約数和(自身を含む): 221807232

約数和(自身を除く): 93241257

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 575, 1725, 74531, 223593, 372655, 1117965, 1714213, 1863275, 5142639, 5589825, 8571065, 25713195, 42855325, 128565975]

約数ペア:

[(1, 128565975), (3, 42855325), (5, 25713195), (15, 8571065), (23, 5589825), (25, 5142639), (69, 1863275), (75, 1714213), (115, 1117965), (345, 372655), (575, 223593), (1725, 74531)]