120133251

素因数分解:

$3^2\times 7^2\times {\mathrm{272411}}^1$

素因数の和:272431

約数の個数: 18

約数和(自身を含む): 201857292

約数和(自身を除く): 81724041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 272411, 817233, 1906877, 2451699, 5720631, 13348139, 17161893, 40044417, 120133251]

約数ペア:

[(1, 120133251), (3, 40044417), (7, 17161893), (9, 13348139), (21, 5720631), (49, 2451699), (63, 1906877), (147, 817233), (441, 272411)]