1901075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:275

約数の個数: 24

約数和(自身を含む): 2666496

約数和(自身を除く): 765421

約数列:

[1, 5, 11, 25, 31, 55, 155, 223, 275, 341, 775, 1115, 1705, 2453, 5575, 6913, 8525, 12265, 34565, 61325, 76043, 172825, 380215, 1901075]

約数ペア:

[(1, 1901075), (5, 380215), (11, 172825), (25, 76043), (31, 61325), (55, 34565), (155, 12265), (223, 8525), (275, 6913), (341, 5575), (775, 2453), (1115, 1705)]