81824757

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 135924480

約数和(自身を除く): 54099723

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 137, 147, 239, 357, 411, 717, 833, 959, 1673, 2329, 2499, 2877, 4063, 5019, 6713, 6987, 11711, 12189, 16303, 20139, 28441, 32743, 35133, 48909, 85323, 98229, 114121, 199087, 229201, 342363, 556631, 597261, 687603, 1604407, 1669893, 3896417, 4813221, 11689251, 27274919, 81824757]

約数ペア:

[(1, 81824757), (3, 27274919), (7, 11689251), (17, 4813221), (21, 3896417), (49, 1669893), (51, 1604407), (119, 687603), (137, 597261), (147, 556631), (239, 342363), (357, 229201), (411, 199087), (717, 114121), (833, 98229), (959, 85323), (1673, 48909), (2329, 35133), (2499, 32743), (2877, 28441), (4063, 20139), (5019, 16303), (6713, 12189), (6987, 11711)]