81670356

素因数分解:

$2^2\times 3^5\times {\mathrm{73}}^1\times {\mathrm{1151}}^1$

素因数の和:1243

約数の個数: 72

約数和(自身を含む): 217211904

約数和(自身を除く): 135541548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 73, 81, 108, 146, 162, 219, 243, 292, 324, 438, 486, 657, 876, 972, 1151, 1314, 1971, 2302, 2628, 3453, 3942, 4604, 5913, 6906, 7884, 10359, 11826, 13812, 17739, 20718, 23652, 31077, 35478, 41436, 62154, 70956, 84023, 93231, 124308, 168046, 186462, 252069, 279693, 336092, 372924, 504138, 559386, 756207, 1008276, 1118772, 1512414, 2268621, 3024828, 4537242, 6805863, 9074484, 13611726, 20417589, 27223452, 40835178, 81670356]

約数ペア:

[(1, 81670356), (2, 40835178), (3, 27223452), (4, 20417589), (6, 13611726), (9, 9074484), (12, 6805863), (18, 4537242), (27, 3024828), (36, 2268621), (54, 1512414), (73, 1118772), (81, 1008276), (108, 756207), (146, 559386), (162, 504138), (219, 372924), (243, 336092), (292, 279693), (324, 252069), (438, 186462), (486, 168046), (657, 124308), (876, 93231), (972, 84023), (1151, 70956), (1314, 62154), (1971, 41436), (2302, 35478), (2628, 31077), (3453, 23652), (3942, 20718), (4604, 17739), (5913, 13812), (6906, 11826), (7884, 10359)]