71812797

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:485

約数の個数: 32

約数和(自身を含む): 111724800

約数和(自身を除く): 39912003

約数列:

[1, 3, 7, 21, 109, 137, 229, 327, 411, 687, 763, 959, 1603, 2289, 2877, 4809, 14933, 24961, 31373, 44799, 74883, 94119, 104531, 174727, 219611, 313593, 524181, 658833, 3419657, 10258971, 23937599, 71812797]

約数ペア:

[(1, 71812797), (3, 23937599), (7, 10258971), (21, 3419657), (109, 658833), (137, 524181), (229, 313593), (327, 219611), (411, 174727), (687, 104531), (763, 94119), (959, 74883), (1603, 44799), (2289, 31373), (2877, 24961), (4809, 14933)]