81636867

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{1319}}^1$

素因数の和:1384

約数の個数: 36

約数和(自身を含む): 132852720

約数和(自身を除く): 51215853

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 529, 897, 1319, 1587, 2691, 3957, 4761, 6877, 11871, 17147, 20631, 30337, 51441, 61893, 91011, 154323, 273033, 394381, 697751, 1183143, 2093253, 3549429, 6279759, 9070763, 27212289, 81636867]

約数ペア:

[(1, 81636867), (3, 27212289), (9, 9070763), (13, 6279759), (23, 3549429), (39, 2093253), (69, 1183143), (117, 697751), (207, 394381), (299, 273033), (529, 154323), (897, 91011), (1319, 61893), (1587, 51441), (2691, 30337), (3957, 20631), (4761, 17147), (6877, 11871)]