16181217

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 27518400

約数和(自身を除く): 11337183

約数列:

[1, 3, 9, 13, 19, 29, 39, 57, 87, 117, 171, 247, 251, 261, 377, 551, 741, 753, 1131, 1653, 2223, 2259, 3263, 3393, 4769, 4959, 7163, 7279, 9789, 14307, 21489, 21837, 29367, 42921, 61997, 64467, 65511, 94627, 138301, 185991, 283881, 414903, 557973, 851643, 1244709, 1797913, 5393739, 16181217]

約数ペア:

[(1, 16181217), (3, 5393739), (9, 1797913), (13, 1244709), (19, 851643), (29, 557973), (39, 414903), (57, 283881), (87, 185991), (117, 138301), (171, 94627), (247, 65511), (251, 64467), (261, 61997), (377, 42921), (551, 29367), (741, 21837), (753, 21489), (1131, 14307), (1653, 9789), (2223, 7279), (2259, 7163), (3263, 4959), (3393, 4769)]