31139787

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{613}}^1$

素因数の和:723

約数の個数: 32

約数和(自身を含む): 49512960

約数和(自身を除く): 18373173

約数列:

[1, 3, 7, 21, 41, 59, 123, 177, 287, 413, 613, 861, 1239, 1839, 2419, 4291, 7257, 12873, 16933, 25133, 36167, 50799, 75399, 108501, 175931, 253169, 527793, 759507, 1482847, 4448541, 10379929, 31139787]

約数ペア:

[(1, 31139787), (3, 10379929), (7, 4448541), (21, 1482847), (41, 759507), (59, 527793), (123, 253169), (177, 175931), (287, 108501), (413, 75399), (613, 50799), (861, 36167), (1239, 25133), (1839, 16933), (2419, 12873), (4291, 7257)]