159031705

素因数分解:

$5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{20939}}^1$

素因数の和:20989

約数の個数: 24

約数和(自身を含む): 229167360

約数和(自身を除く): 70135655

約数列:

[1, 5, 7, 31, 35, 49, 155, 217, 245, 1085, 1519, 7595, 20939, 104695, 146573, 649109, 732865, 1026011, 3245545, 4543763, 5130055, 22718815, 31806341, 159031705]

約数ペア:

[(1, 159031705), (5, 31806341), (7, 22718815), (31, 5130055), (35, 4543763), (49, 3245545), (155, 1026011), (217, 732865), (245, 649109), (1085, 146573), (1519, 104695), (7595, 20939)]