290693313

素因数分解:

$3^3\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{883}}^1$

素因数の和:1118

約数の個数: 32

約数和(自身を含む): 439171200

約数和(自身を除く): 148477887

約数列:

[1, 3, 9, 27, 89, 137, 267, 411, 801, 883, 1233, 2403, 2649, 3699, 7947, 12193, 23841, 36579, 78587, 109737, 120971, 235761, 329211, 362913, 707283, 1088739, 2121849, 3266217, 10766419, 32299257, 96897771, 290693313]

約数ペア:

[(1, 290693313), (3, 96897771), (9, 32299257), (27, 10766419), (89, 3266217), (137, 2121849), (267, 1088739), (411, 707283), (801, 362913), (883, 329211), (1233, 235761), (2403, 120971), (2649, 109737), (3699, 78587), (7947, 36579), (12193, 23841)]