28496097

素因数分解:

$3^3\times 7^3\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 52416000

約数和(自身を除く): 23919903

約数列:

[1, 3, 7, 9, 17, 21, 27, 49, 51, 63, 119, 147, 153, 181, 189, 343, 357, 441, 459, 543, 833, 1029, 1071, 1267, 1323, 1629, 2499, 3077, 3087, 3213, 3801, 4887, 5831, 7497, 8869, 9231, 9261, 11403, 17493, 21539, 22491, 26607, 27693, 34209, 52479, 62083, 64617, 79821, 83079, 150773, 157437, 186249, 193851, 239463, 452319, 558747, 581553, 1055411, 1356957, 1676241, 3166233, 4070871, 9498699, 28496097]

約数ペア:

[(1, 28496097), (3, 9498699), (7, 4070871), (9, 3166233), (17, 1676241), (21, 1356957), (27, 1055411), (49, 581553), (51, 558747), (63, 452319), (119, 239463), (147, 193851), (153, 186249), (181, 157437), (189, 150773), (343, 83079), (357, 79821), (441, 64617), (459, 62083), (543, 52479), (833, 34209), (1029, 27693), (1071, 26607), (1267, 22491), (1323, 21539), (1629, 17493), (2499, 11403), (3077, 9261), (3087, 9231), (3213, 8869), (3801, 7497), (4887, 5831)]