217897791

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{101869}}^1$

素因数の和:101926

約数の個数: 16

約数和(自身を含む): 312944640

約数和(自身を除く): 95046849

約数列:

[1, 3, 23, 31, 69, 93, 713, 2139, 101869, 305607, 2342987, 3157939, 7028961, 9473817, 72632597, 217897791]

約数ペア:

[(1, 217897791), (3, 72632597), (23, 9473817), (31, 7028961), (69, 3157939), (93, 2342987), (713, 305607), (2139, 101869)]