31297981

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:333

約数の個数: 24

約数和(自身を含む): 37604952

約数和(自身を除く): 6306971

約数列:

[1, 11, 13, 101, 121, 143, 197, 1111, 1313, 1573, 2167, 2561, 12221, 14443, 19897, 23837, 28171, 158873, 218867, 258661, 309881, 2407537, 2845271, 31297981]

約数ペア:

[(1, 31297981), (11, 2845271), (13, 2407537), (101, 309881), (121, 258661), (143, 218867), (197, 158873), (1111, 28171), (1313, 23837), (1573, 19897), (2167, 14443), (2561, 12221)]