6440325

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1997}}^1$

素因数の和:2053

約数の個数: 24

約数和(自身を含む): 10901088

約数和(自身を除く): 4460763

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 1997, 3225, 5991, 9985, 29955, 49925, 85871, 149775, 257613, 429355, 1288065, 2146775, 6440325]

約数ペア:

[(1, 6440325), (3, 2146775), (5, 1288065), (15, 429355), (25, 257613), (43, 149775), (75, 85871), (129, 49925), (215, 29955), (645, 9985), (1075, 5991), (1997, 3225)]