78841161

素因数分解:

$3^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2657}}^1$

素因数の和:2830

約数の個数: 32

約数和(自身を含む): 134388480

約数和(自身を除く): 55547319

約数列:

[1, 3, 7, 9, 21, 27, 63, 157, 189, 471, 1099, 1413, 2657, 3297, 4239, 7971, 9891, 18599, 23913, 29673, 55797, 71739, 167391, 417149, 502173, 1251447, 2920043, 3754341, 8760129, 11263023, 26280387, 78841161]

約数ペア:

[(1, 78841161), (3, 26280387), (7, 11263023), (9, 8760129), (21, 3754341), (27, 2920043), (63, 1251447), (157, 502173), (189, 417149), (471, 167391), (1099, 71739), (1413, 55797), (2657, 29673), (3297, 23913), (4239, 18599), (7971, 9891)]