25748667

素因数分解:

$3^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{439}}^1$

素因数の和:485

約数の個数: 48

約数和(自身を含む): 45760000

約数和(自身を除く): 20011333

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 343, 399, 439, 441, 931, 1029, 1197, 1317, 2793, 3073, 3087, 3951, 6517, 8341, 8379, 9219, 19551, 21511, 25023, 27657, 58387, 58653, 64533, 75069, 150577, 175161, 193599, 408709, 451731, 525483, 1226127, 1355193, 2860963, 3678381, 8582889, 25748667]

約数ペア:

[(1, 25748667), (3, 8582889), (7, 3678381), (9, 2860963), (19, 1355193), (21, 1226127), (49, 525483), (57, 451731), (63, 408709), (133, 193599), (147, 175161), (171, 150577), (343, 75069), (399, 64533), (439, 58653), (441, 58387), (931, 27657), (1029, 25023), (1197, 21511), (1317, 19551), (2793, 9219), (3073, 8379), (3087, 8341), (3951, 6517)]