12905487

素因数分解:

$3^8\times 7^1\times {\mathrm{281}}^1$

素因数の和:312

約数の個数: 36

約数和(自身を含む): 22201296

約数和(自身を除く): 9295809

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 281, 567, 729, 843, 1701, 1967, 2187, 2529, 5103, 5901, 6561, 7587, 15309, 17703, 22761, 45927, 53109, 68283, 159327, 204849, 477981, 614547, 1433943, 1843641, 4301829, 12905487]

約数ペア:

[(1, 12905487), (3, 4301829), (7, 1843641), (9, 1433943), (21, 614547), (27, 477981), (63, 204849), (81, 159327), (189, 68283), (243, 53109), (281, 45927), (567, 22761), (729, 17703), (843, 15309), (1701, 7587), (1967, 6561), (2187, 5901), (2529, 5103)]