251603979651

素因数分解:

$3^4\times {\mathrm{9091}}^1\times {\mathrm{341681}}^1$

素因数の和:350784

約数の個数: 20

約数和(自身を含む): 375895302024

約数和(自身を除く): 124291322373

約数列:

[1, 3, 9, 27, 81, 9091, 27273, 81819, 245457, 341681, 736371, 1025043, 3075129, 9225387, 27676161, 3106221971, 9318665913, 27955997739, 83867993217, 251603979651]

約数ペア:

[(1, 251603979651), (3, 83867993217), (9, 27955997739), (27, 9318665913), (81, 3106221971), (9091, 27676161), (27273, 9225387), (81819, 3075129), (245457, 1025043), (341681, 736371)]