31400559

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{3907}}^1$

素因数の和:3979

約数の個数: 24

約数和(自身を含む): 48771840

約数和(自身を除く): 17371281

約数列:

[1, 3, 9, 19, 47, 57, 141, 171, 423, 893, 2679, 3907, 8037, 11721, 35163, 74233, 183629, 222699, 550887, 668097, 1652661, 3488951, 10466853, 31400559]

約数ペア:

[(1, 31400559), (3, 10466853), (9, 3488951), (19, 1652661), (47, 668097), (57, 550887), (141, 222699), (171, 183629), (423, 74233), (893, 35163), (2679, 11721), (3907, 8037)]