80748759

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 142442496

約数和(自身を除く): 61693737

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 127, 137, 221, 273, 357, 381, 411, 663, 889, 959, 1547, 1651, 1781, 2159, 2329, 2667, 2877, 4641, 4953, 5343, 6477, 6987, 11557, 12467, 15113, 16303, 17399, 28067, 30277, 34671, 37401, 45339, 48909, 52197, 84201, 90831, 121793, 196469, 211939, 226187, 295783, 365379, 589407, 635817, 678561, 887349, 1583309, 2070481, 3845179, 4749927, 6211443, 11535537, 26916253, 80748759]

約数ペア:

[(1, 80748759), (3, 26916253), (7, 11535537), (13, 6211443), (17, 4749927), (21, 3845179), (39, 2070481), (51, 1583309), (91, 887349), (119, 678561), (127, 635817), (137, 589407), (221, 365379), (273, 295783), (357, 226187), (381, 211939), (411, 196469), (663, 121793), (889, 90831), (959, 84201), (1547, 52197), (1651, 48909), (1781, 45339), (2159, 37401), (2329, 34671), (2667, 30277), (2877, 28067), (4641, 17399), (4953, 16303), (5343, 15113), (6477, 12467), (6987, 11557)]