68678805

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{15313}}^1$

素因数の和:15357

約数の個数: 32

約数和(自身を含む): 123492096

約数和(自身を除く): 54813291

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495, 4485, 15313, 45939, 76565, 199069, 229695, 352199, 597207, 995345, 1056597, 1760995, 2986035, 4578587, 5282985, 13735761, 22892935, 68678805]

約数ペア:

[(1, 68678805), (3, 22892935), (5, 13735761), (13, 5282985), (15, 4578587), (23, 2986035), (39, 1760995), (65, 1056597), (69, 995345), (115, 597207), (195, 352199), (299, 229695), (345, 199069), (897, 76565), (1495, 45939), (4485, 15313)]