12120745

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1567}}^1$

素因数の和:1609

約数の個数: 32

約数和(自身を含む): 18966528

約数和(自身を除く): 6845783

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 221, 455, 595, 1105, 1547, 1567, 7735, 7835, 10969, 20371, 26639, 54845, 101855, 133195, 142597, 186473, 346307, 712985, 932365, 1731535, 2424149, 12120745]

約数ペア:

[(1, 12120745), (5, 2424149), (7, 1731535), (13, 932365), (17, 712985), (35, 346307), (65, 186473), (85, 142597), (91, 133195), (119, 101855), (221, 54845), (455, 26639), (595, 20371), (1105, 10969), (1547, 7835), (1567, 7735)]