15903745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 23716800

約数和(自身を除く): 7813055

約数列:

[1, 5, 11, 13, 29, 55, 59, 65, 143, 145, 169, 295, 319, 377, 649, 715, 767, 845, 1595, 1711, 1859, 1885, 3245, 3835, 4147, 4901, 8437, 8555, 9295, 9971, 18821, 20735, 22243, 24505, 42185, 49855, 53911, 94105, 109681, 111215, 244673, 269555, 289159, 548405, 1223365, 1445795, 3180749, 15903745]

約数ペア:

[(1, 15903745), (5, 3180749), (11, 1445795), (13, 1223365), (29, 548405), (55, 289159), (59, 269555), (65, 244673), (143, 111215), (145, 109681), (169, 94105), (295, 53911), (319, 49855), (377, 42185), (649, 24505), (715, 22243), (767, 20735), (845, 18821), (1595, 9971), (1711, 9295), (1859, 8555), (1885, 8437), (3245, 4901), (3835, 4147)]