223657161

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{17431}}^1$

素因数の和:17501

約数の個数: 32

約数和(自身を含む): 374857728

約数和(自身を除く): 151200567

約数列:

[1, 3, 7, 13, 21, 39, 47, 91, 141, 273, 329, 611, 987, 1833, 4277, 12831, 17431, 52293, 122017, 226603, 366051, 679809, 819257, 1586221, 2457771, 4758663, 5734799, 10650341, 17204397, 31951023, 74552387, 223657161]

約数ペア:

[(1, 223657161), (3, 74552387), (7, 31951023), (13, 17204397), (21, 10650341), (39, 5734799), (47, 4758663), (91, 2457771), (141, 1586221), (273, 819257), (329, 679809), (611, 366051), (987, 226603), (1833, 122017), (4277, 52293), (12831, 17431)]