42757645

素因数分解:

$5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{2861}}^1$

素因数の和:2941

約数の個数: 24

約数和(自身を含む): 60685848

約数和(自身を除く): 17928203

約数列:

[1, 5, 7, 35, 49, 61, 245, 305, 427, 2135, 2861, 2989, 14305, 14945, 20027, 100135, 140189, 174521, 700945, 872605, 1221647, 6108235, 8551529, 42757645]

約数ペア:

[(1, 42757645), (5, 8551529), (7, 6108235), (35, 1221647), (49, 872605), (61, 700945), (245, 174521), (305, 140189), (427, 100135), (2135, 20027), (2861, 14945), (2989, 14305)]