678984771

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1\times {\mathrm{443}}^1$

素因数の和:795

約数の個数: 32

約数和(自身を含む): 960744960

約数和(自身を除く): 281760189

約数列:

[1, 3, 23, 69, 97, 229, 291, 443, 687, 1329, 2231, 5267, 6693, 10189, 15801, 22213, 30567, 42971, 66639, 101447, 128913, 304341, 510899, 988333, 1532697, 2333281, 2964999, 6999843, 9840359, 29521077, 226328257, 678984771]

約数ペア:

[(1, 678984771), (3, 226328257), (23, 29521077), (69, 9840359), (97, 6999843), (229, 2964999), (291, 2333281), (443, 1532697), (687, 988333), (1329, 510899), (2231, 304341), (5267, 128913), (6693, 101447), (10189, 66639), (15801, 42971), (22213, 30567)]