20180138685

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{27455971}}^1$

素因数の和:27455993

約数の個数: 24

約数和(自身を含む): 37559769696

約数和(自身を除く): 17379631011

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 27455971, 82367913, 137279855, 192191797, 411839565, 576575391, 960958985, 1345342579, 2882876955, 4036027737, 6726712895, 20180138685]

約数ペア:

[(1, 20180138685), (3, 6726712895), (5, 4036027737), (7, 2882876955), (15, 1345342579), (21, 960958985), (35, 576575391), (49, 411839565), (105, 192191797), (147, 137279855), (245, 82367913), (735, 27455971)]