28971111

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1181}}^1$

素因数の和:1251

約数の個数: 32

約数和(自身を含む): 45275328

約数和(自身を除く): 16304217

約数列:

[1, 3, 13, 17, 37, 39, 51, 111, 221, 481, 629, 663, 1181, 1443, 1887, 3543, 8177, 15353, 20077, 24531, 43697, 46059, 60231, 131091, 261001, 568061, 742849, 783003, 1704183, 2228547, 9657037, 28971111]

約数ペア:

[(1, 28971111), (3, 9657037), (13, 2228547), (17, 1704183), (37, 783003), (39, 742849), (51, 568061), (111, 261001), (221, 131091), (481, 60231), (629, 46059), (663, 43697), (1181, 24531), (1443, 20077), (1887, 15353), (3543, 8177)]