123126783

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1867}}^1$

素因数の和:1991

約数の個数: 32

約数和(自身を含む): 188294400

約数和(自身を除く): 65167617

約数列:

[1, 3, 13, 19, 39, 57, 89, 247, 267, 741, 1157, 1691, 1867, 3471, 5073, 5601, 21983, 24271, 35473, 65949, 72813, 106419, 166163, 461149, 498489, 1383447, 2160119, 3157097, 6480357, 9471291, 41042261, 123126783]

約数ペア:

[(1, 123126783), (3, 41042261), (13, 9471291), (19, 6480357), (39, 3157097), (57, 2160119), (89, 1383447), (247, 498489), (267, 461149), (741, 166163), (1157, 106419), (1691, 72813), (1867, 65949), (3471, 35473), (5073, 24271), (5601, 21983)]