26691399

素因数分解:

$3^2\times 7^1\times {\mathrm{431}}^1\times {\mathrm{983}}^1$

素因数の和:1427

約数の個数: 24

約数和(自身を含む): 44209152

約数和(自身を除く): 17517753

約数列:

[1, 3, 7, 9, 21, 63, 431, 983, 1293, 2949, 3017, 3879, 6881, 8847, 9051, 20643, 27153, 61929, 423673, 1271019, 2965711, 3813057, 8897133, 26691399]

約数ペア:

[(1, 26691399), (3, 8897133), (7, 3813057), (9, 2965711), (21, 1271019), (63, 423673), (431, 61929), (983, 27153), (1293, 20643), (2949, 9051), (3017, 8847), (3879, 6881)]