42972265

素因数分解:

$5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{4079}}^1$

素因数の和:4141

約数の個数: 24

約数和(自身を含む): 61395840

約数和(自身を除く): 18423575

約数列:

[1, 5, 7, 35, 43, 49, 215, 245, 301, 1505, 2107, 4079, 10535, 20395, 28553, 142765, 175397, 199871, 876985, 999355, 1227779, 6138895, 8594453, 42972265]

約数ペア:

[(1, 42972265), (5, 8594453), (7, 6138895), (35, 1227779), (43, 999355), (49, 876985), (215, 199871), (245, 175397), (301, 142765), (1505, 28553), (2107, 20395), (4079, 10535)]