128907735

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{4793}}^1$

素因数の和:4975

約数の個数: 32

約数和(自身を含む): 226430208

約数和(自身を除く): 97522473

約数列:

[1, 3, 5, 11, 15, 33, 55, 163, 165, 489, 815, 1793, 2445, 4793, 5379, 8965, 14379, 23965, 26895, 52723, 71895, 158169, 263615, 781259, 790845, 2343777, 3906295, 8593849, 11718885, 25781547, 42969245, 128907735]

約数ペア:

[(1, 128907735), (3, 42969245), (5, 25781547), (11, 11718885), (15, 8593849), (33, 3906295), (55, 2343777), (163, 790845), (165, 781259), (489, 263615), (815, 158169), (1793, 71895), (2445, 52723), (4793, 26895), (5379, 23965), (8965, 14379)]