12891165

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{17539}}^1$

素因数の和:17561

約数の個数: 24

約数和(自身を含む): 23994720

約数和(自身を除く): 11103555

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 17539, 52617, 87695, 122773, 263085, 368319, 613865, 859411, 1841595, 2578233, 4297055, 12891165]

約数ペア:

[(1, 12891165), (3, 4297055), (5, 2578233), (7, 1841595), (15, 859411), (21, 613865), (35, 368319), (49, 263085), (105, 122773), (147, 87695), (245, 52617), (735, 17539)]