8139855

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 13950144

約数和(自身を除く): 5810289

約数列:

[1, 3, 5, 15, 17, 51, 85, 137, 233, 255, 411, 685, 699, 1165, 2055, 2329, 3495, 3961, 6987, 11645, 11883, 19805, 31921, 34935, 59415, 95763, 159605, 478815, 542657, 1627971, 2713285, 8139855]

約数ペア:

[(1, 8139855), (3, 2713285), (5, 1627971), (15, 542657), (17, 478815), (51, 159605), (85, 95763), (137, 59415), (233, 34935), (255, 31921), (411, 19805), (685, 11883), (699, 11645), (1165, 6987), (2055, 3961), (2329, 3495)]