206819487

素因数分解:

$3^6\times 7^1\times {\mathrm{40529}}^1$

素因数の和:40554

約数の個数: 28

約数和(自身を含む): 354394320

約数和(自身を除く): 147574833

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 5103, 40529, 121587, 283703, 364761, 851109, 1094283, 2553327, 3282849, 7659981, 9848547, 22979943, 29545641, 68939829, 206819487]

約数ペア:

[(1, 206819487), (3, 68939829), (7, 29545641), (9, 22979943), (21, 9848547), (27, 7659981), (63, 3282849), (81, 2553327), (189, 1094283), (243, 851109), (567, 364761), (729, 283703), (1701, 121587), (5103, 40529)]