127988679

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{1237}}^1$

素因数の和:1639

約数の個数: 32

約数和(自身を含む): 210757120

約数和(自身を除く): 82768441

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 379, 1137, 1237, 2653, 3711, 4927, 7959, 8659, 14781, 16081, 25977, 34489, 48243, 103467, 112567, 337701, 468823, 1406469, 3281761, 6094699, 9845283, 18284097, 42662893, 127988679]

約数ペア:

[(1, 127988679), (3, 42662893), (7, 18284097), (13, 9845283), (21, 6094699), (39, 3281761), (91, 1406469), (273, 468823), (379, 337701), (1137, 112567), (1237, 103467), (2653, 48243), (3711, 34489), (4927, 25977), (7959, 16081), (8659, 14781)]