31774701

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 49821696

約数和(自身を除く): 18046995

約数列:

[1, 3, 7, 21, 71, 101, 211, 213, 303, 497, 633, 707, 1477, 1491, 2121, 4431, 7171, 14981, 21311, 21513, 44943, 50197, 63933, 104867, 149177, 150591, 314601, 447531, 1513081, 4539243, 10591567, 31774701]

約数ペア:

[(1, 31774701), (3, 10591567), (7, 4539243), (21, 1513081), (71, 447531), (101, 314601), (211, 150591), (213, 149177), (303, 104867), (497, 63933), (633, 50197), (707, 44943), (1477, 21513), (1491, 21311), (2121, 14981), (4431, 7171)]