29728251

素因数分解:

$3^2\times 7^2\times {\mathrm{67411}}^1$

素因数の和:67431

約数の個数: 18

約数和(自身を含む): 49952292

約数和(自身を除く): 20224041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 67411, 202233, 471877, 606699, 1415631, 3303139, 4246893, 9909417, 29728251]

約数ペア:

[(1, 29728251), (3, 9909417), (7, 4246893), (9, 3303139), (21, 1415631), (49, 606699), (63, 471877), (147, 202233), (441, 67411)]