81679266

素因数分解:

$2^1\times 3^4\times {\mathrm{571}}^1\times {\mathrm{883}}^1$

素因数の和:1468

約数の個数: 40

約数和(自身を含む): 183550224

約数和(自身を除く): 101870958

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 571, 883, 1142, 1713, 1766, 2649, 3426, 5139, 5298, 7947, 10278, 15417, 15894, 23841, 30834, 46251, 47682, 71523, 92502, 143046, 504193, 1008386, 1512579, 3025158, 4537737, 9075474, 13613211, 27226422, 40839633, 81679266]

約数ペア:

[(1, 81679266), (2, 40839633), (3, 27226422), (6, 13613211), (9, 9075474), (18, 4537737), (27, 3025158), (54, 1512579), (81, 1008386), (162, 504193), (571, 143046), (883, 92502), (1142, 71523), (1713, 47682), (1766, 46251), (2649, 30834), (3426, 23841), (5139, 15894), (5298, 15417), (7947, 10278)]