3991075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{631}}^1$

素因数の和:675

約数の個数: 24

約数和(自身を含む): 5642496

約数和(自身を除く): 1651421

約数列:

[1, 5, 11, 23, 25, 55, 115, 253, 275, 575, 631, 1265, 3155, 6325, 6941, 14513, 15775, 34705, 72565, 159643, 173525, 362825, 798215, 3991075]

約数ペア:

[(1, 3991075), (5, 798215), (11, 362825), (23, 173525), (25, 159643), (55, 72565), (115, 34705), (253, 15775), (275, 14513), (575, 6941), (631, 6325), (1265, 3155)]