142728719

素因数分解:

$7^2\times {\mathrm{17}}^2\times {\mathrm{10079}}^1$

素因数の和:10127

約数の個数: 18

約数和(自身を含む): 176389920

約数和(自身を除く): 33661201

約数列:

[1, 7, 17, 49, 119, 289, 833, 2023, 10079, 14161, 70553, 171343, 493871, 1199401, 2912831, 8395807, 20389817, 142728719]

約数ペア:

[(1, 142728719), (7, 20389817), (17, 8395807), (49, 2912831), (119, 1199401), (289, 493871), (833, 171343), (2023, 70553), (10079, 14161)]