31848531

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 53357472

約数和(自身を除く): 21508941

約数列:

[1, 3, 11, 13, 17, 33, 39, 51, 121, 143, 187, 221, 363, 397, 429, 561, 663, 1191, 1573, 2057, 2431, 4367, 4719, 5161, 6171, 6749, 7293, 13101, 15483, 20247, 26741, 48037, 56771, 74239, 80223, 87737, 144111, 170313, 222717, 263211, 624481, 816629, 965107, 1873443, 2449887, 2895321, 10616177, 31848531]

約数ペア:

[(1, 31848531), (3, 10616177), (11, 2895321), (13, 2449887), (17, 1873443), (33, 965107), (39, 816629), (51, 624481), (121, 263211), (143, 222717), (187, 170313), (221, 144111), (363, 87737), (397, 80223), (429, 74239), (561, 56771), (663, 48037), (1191, 26741), (1573, 20247), (2057, 15483), (2431, 13101), (4367, 7293), (4719, 6749), (5161, 6171)]