81907686

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{72229}}^1$

素因数の和:72250

約数の個数: 40

約数和(自身を含む): 209755920

約数和(自身を除く): 127848234

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 72229, 144458, 216687, 433374, 505603, 650061, 1011206, 1300122, 1516809, 1950183, 3033618, 3900366, 4550427, 5850549, 9100854, 11701098, 13651281, 27302562, 40953843, 81907686]

約数ペア:

[(1, 81907686), (2, 40953843), (3, 27302562), (6, 13651281), (7, 11701098), (9, 9100854), (14, 5850549), (18, 4550427), (21, 3900366), (27, 3033618), (42, 1950183), (54, 1516809), (63, 1300122), (81, 1011206), (126, 650061), (162, 505603), (189, 433374), (378, 216687), (567, 144458), (1134, 72229)]