72181949

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{12379}}^1$

素因数の和:12417

約数の個数: 16

約数和(自身を含む): 89136000

約数和(自身を除く): 16954051

約数列:

[1, 7, 17, 49, 119, 343, 833, 5831, 12379, 86653, 210443, 606571, 1473101, 4245997, 10311707, 72181949]

約数ペア:

[(1, 72181949), (7, 10311707), (17, 4245997), (49, 1473101), (119, 606571), (343, 210443), (833, 86653), (5831, 12379)]