81415665

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31741}}^1$

素因数の和:31774

約数の個数: 32

約数和(自身を含む): 152361600

約数和(自身を除く): 70945935

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 31741, 95223, 158705, 285669, 476115, 603079, 857007, 1428345, 1809237, 3015395, 4285035, 5427711, 9046185, 16283133, 27138555, 81415665]

約数ペア:

[(1, 81415665), (3, 27138555), (5, 16283133), (9, 9046185), (15, 5427711), (19, 4285035), (27, 3015395), (45, 1809237), (57, 1428345), (95, 857007), (135, 603079), (171, 476115), (285, 285669), (513, 158705), (855, 95223), (2565, 31741)]