142780015

素因数分解:

$5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{60887}}^1$

素因数の和:60966

約数の個数: 16

約数和(自身を含む): 198738432

約数和(自身を除く): 55958417

約数列:

[1, 5, 7, 35, 67, 335, 469, 2345, 60887, 304435, 426209, 2131045, 4079429, 20397145, 28556003, 142780015]

約数ペア:

[(1, 142780015), (5, 28556003), (7, 20397145), (35, 4079429), (67, 2131045), (335, 426209), (469, 304435), (2345, 60887)]