217526115

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{577}}^1\times {\mathrm{613}}^1$

素因数の和:1239

約数の個数: 32

約数和(自身を含む): 357731136

約数和(自身を除く): 140205021

約数列:

[1, 3, 5, 15, 41, 123, 205, 577, 613, 615, 1731, 1839, 2885, 3065, 8655, 9195, 23657, 25133, 70971, 75399, 118285, 125665, 353701, 354855, 376995, 1061103, 1768505, 5305515, 14501741, 43505223, 72508705, 217526115]

約数ペア:

[(1, 217526115), (3, 72508705), (5, 43505223), (15, 14501741), (41, 5305515), (123, 1768505), (205, 1061103), (577, 376995), (613, 354855), (615, 353701), (1731, 125665), (1839, 118285), (2885, 75399), (3065, 70971), (8655, 25133), (9195, 23657)]