72139179

素因数分解:

$3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{18979}}^1$

素因数の和:19170

約数の個数: 16

約数和(自身を含む): 110539520

約数和(自身を除く): 38400341

約数列:

[1, 3, 7, 21, 181, 543, 1267, 3801, 18979, 56937, 132853, 398559, 3435199, 10305597, 24046393, 72139179]

約数ペア:

[(1, 72139179), (3, 24046393), (7, 10305597), (21, 3435199), (181, 398559), (543, 132853), (1267, 56937), (3801, 18979)]