2509731

素因数分解:

$3^3\times 7^3\times {\mathrm{271}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 4352000

約数和(自身を除く): 1842269

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 271, 343, 441, 813, 1029, 1323, 1897, 2439, 3087, 5691, 7317, 9261, 13279, 17073, 39837, 51219, 92953, 119511, 278859, 358533, 836577, 2509731]

約数ペア:

[(1, 2509731), (3, 836577), (7, 358533), (9, 278859), (21, 119511), (27, 92953), (49, 51219), (63, 39837), (147, 17073), (189, 13279), (271, 9261), (343, 7317), (441, 5691), (813, 3087), (1029, 2439), (1323, 1897)]