81173001

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{10253}}^1$

素因数の和:10305

約数の個数: 32

約数和(自身を含む): 137813760

約数和(自身を除く): 56640759

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 91, 203, 273, 377, 609, 1131, 2639, 7917, 10253, 30759, 71771, 133289, 215313, 297337, 399867, 892011, 933023, 2081359, 2799069, 3865381, 6244077, 11596143, 27057667, 81173001]

約数ペア:

[(1, 81173001), (3, 27057667), (7, 11596143), (13, 6244077), (21, 3865381), (29, 2799069), (39, 2081359), (87, 933023), (91, 892011), (203, 399867), (273, 297337), (377, 215313), (609, 133289), (1131, 71771), (2639, 30759), (7917, 10253)]