81461955

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{733}}^1$

素因数の和:1011

約数の個数: 32

約数和(自身を含む): 135290880

約数和(自身を除く): 53828925

約数列:

[1, 3, 5, 15, 31, 93, 155, 239, 465, 717, 733, 1195, 2199, 3585, 3665, 7409, 10995, 22227, 22723, 37045, 68169, 111135, 113615, 175187, 340845, 525561, 875935, 2627805, 5430797, 16292391, 27153985, 81461955]

約数ペア:

[(1, 81461955), (3, 27153985), (5, 16292391), (15, 5430797), (31, 2627805), (93, 875935), (155, 525561), (239, 340845), (465, 175187), (717, 113615), (733, 111135), (1195, 68169), (2199, 37045), (3585, 22723), (3665, 22227), (7409, 10995)]