81175695

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{6947}}^1$

素因数の和:7015

約数の個数: 32

約数和(自身を含む): 140071680

約数和(自身を除く): 58895985

約数列:

[1, 3, 5, 15, 19, 41, 57, 95, 123, 205, 285, 615, 779, 2337, 3895, 6947, 11685, 20841, 34735, 104205, 131993, 284827, 395979, 659965, 854481, 1424135, 1979895, 4272405, 5411713, 16235139, 27058565, 81175695]

約数ペア:

[(1, 81175695), (3, 27058565), (5, 16235139), (15, 5411713), (19, 4272405), (41, 1979895), (57, 1424135), (95, 854481), (123, 659965), (205, 395979), (285, 284827), (615, 131993), (779, 104205), (2337, 34735), (3895, 20841), (6947, 11685)]