28267629

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{227}}^1$

素因数の和:377

約数の個数: 32

約数和(自身を含む): 42491904

約数和(自身を除く): 14224275

約数列:

[1, 3, 13, 31, 39, 93, 103, 227, 309, 403, 681, 1209, 1339, 2951, 3193, 4017, 7037, 8853, 9579, 21111, 23381, 41509, 70143, 91481, 124527, 274443, 303953, 724811, 911859, 2174433, 9422543, 28267629]

約数ペア:

[(1, 28267629), (3, 9422543), (13, 2174433), (31, 911859), (39, 724811), (93, 303953), (103, 274443), (227, 124527), (309, 91481), (403, 70143), (681, 41509), (1209, 23381), (1339, 21111), (2951, 9579), (3193, 8853), (4017, 7037)]