81651564

素因数分解:

$2^2\times 3^4\times {\mathrm{23}}^1\times {\mathrm{10957}}^1$

素因数の和:10996

約数の個数: 60

約数和(自身を含む): 222754224

約数和(自身を除く): 141102660

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 81, 92, 108, 138, 162, 207, 276, 324, 414, 621, 828, 1242, 1863, 2484, 3726, 7452, 10957, 21914, 32871, 43828, 65742, 98613, 131484, 197226, 252011, 295839, 394452, 504022, 591678, 756033, 887517, 1008044, 1183356, 1512066, 1775034, 2268099, 3024132, 3550068, 4536198, 6804297, 9072396, 13608594, 20412891, 27217188, 40825782, 81651564]

約数ペア:

[(1, 81651564), (2, 40825782), (3, 27217188), (4, 20412891), (6, 13608594), (9, 9072396), (12, 6804297), (18, 4536198), (23, 3550068), (27, 3024132), (36, 2268099), (46, 1775034), (54, 1512066), (69, 1183356), (81, 1008044), (92, 887517), (108, 756033), (138, 591678), (162, 504022), (207, 394452), (276, 295839), (324, 252011), (414, 197226), (621, 131484), (828, 98613), (1242, 65742), (1863, 43828), (2484, 32871), (3726, 21914), (7452, 10957)]