18308241

素因数分解:

$3^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{617}}^1$

素因数の和:790

約数の個数: 32

約数和(自身を含む): 31246080

約数和(自身を除く): 12937839

約数列:

[1, 3, 7, 9, 21, 27, 63, 157, 189, 471, 617, 1099, 1413, 1851, 3297, 4239, 4319, 5553, 9891, 12957, 16659, 29673, 38871, 96869, 116613, 290607, 678083, 871821, 2034249, 2615463, 6102747, 18308241]

約数ペア:

[(1, 18308241), (3, 6102747), (7, 2615463), (9, 2034249), (21, 871821), (27, 678083), (63, 290607), (157, 116613), (189, 96869), (471, 38871), (617, 29673), (1099, 16659), (1413, 12957), (1851, 9891), (3297, 5553), (4239, 4319)]