72458169

素因数分解:

$3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{21977}}^1$

素因数の和:22144

約数の個数: 16

約数和(自身を含む): 111120768

約数和(自身を除く): 38662599

約数列:

[1, 3, 7, 21, 157, 471, 1099, 3297, 21977, 65931, 153839, 461517, 3450389, 10351167, 24152723, 72458169]

約数ペア:

[(1, 72458169), (3, 24152723), (7, 10351167), (21, 3450389), (157, 461517), (471, 153839), (1099, 65931), (3297, 21977)]