81972

素因数分解:

$2^2\times 3^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1$

素因数の和:50

約数の個数: 60

約数和(自身を含む): 243936

約数和(自身を除く): 161964

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 23, 27, 33, 36, 44, 46, 54, 66, 69, 81, 92, 99, 108, 132, 138, 162, 198, 207, 253, 276, 297, 324, 396, 414, 506, 594, 621, 759, 828, 891, 1012, 1188, 1242, 1518, 1782, 1863, 2277, 2484, 3036, 3564, 3726, 4554, 6831, 7452, 9108, 13662, 20493, 27324, 40986, 81972]

約数ペア:

[(1, 81972), (2, 40986), (3, 27324), (4, 20493), (6, 13662), (9, 9108), (11, 7452), (12, 6831), (18, 4554), (22, 3726), (23, 3564), (27, 3036), (33, 2484), (36, 2277), (44, 1863), (46, 1782), (54, 1518), (66, 1242), (69, 1188), (81, 1012), (92, 891), (99, 828), (108, 759), (132, 621), (138, 594), (162, 506), (198, 414), (207, 396), (253, 324), (276, 297)]