207409923

素因数分解:

$3^3\times 7^1\times {\mathrm{127}}^1\times {\mathrm{8641}}^1$

素因数の和:8784

約数の個数: 32

約数和(自身を含む): 353976320

約数和(自身を除く): 146566397

約数列:

[1, 3, 7, 9, 21, 27, 63, 127, 189, 381, 889, 1143, 2667, 3429, 8001, 8641, 24003, 25923, 60487, 77769, 181461, 233307, 544383, 1097407, 1633149, 3292221, 7681849, 9876663, 23045547, 29629989, 69136641, 207409923]

約数ペア:

[(1, 207409923), (3, 69136641), (7, 29629989), (9, 23045547), (21, 9876663), (27, 7681849), (63, 3292221), (127, 1633149), (189, 1097407), (381, 544383), (889, 233307), (1143, 181461), (2667, 77769), (3429, 60487), (8001, 25923), (8641, 24003)]