72874347

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1543}}^1$

素因数の和:1739

約数の個数: 32

約数和(自身を含む): 120357888

約数和(自身を除く): 47483541

約数列:

[1, 3, 7, 13, 21, 39, 91, 173, 273, 519, 1211, 1543, 2249, 3633, 4629, 6747, 10801, 15743, 20059, 32403, 47229, 60177, 140413, 266939, 421239, 800817, 1868573, 3470207, 5605719, 10410621, 24291449, 72874347]

約数ペア:

[(1, 72874347), (3, 24291449), (7, 10410621), (13, 5605719), (21, 3470207), (39, 1868573), (91, 800817), (173, 421239), (273, 266939), (519, 140413), (1211, 60177), (1543, 47229), (2249, 32403), (3633, 20059), (4629, 15743), (6747, 10801)]