726732243

素因数分解:

$3^4\times {\mathrm{997}}^1\times {\mathrm{8999}}^1$

素因数の和:10008

約数の個数: 20

約数和(自身を含む): 1086822000

約数和(自身を除く): 360089757

約数列:

[1, 3, 9, 27, 81, 997, 2991, 8973, 8999, 26919, 26997, 80757, 80991, 242973, 728919, 8972003, 26916009, 80748027, 242244081, 726732243]

約数ペア:

[(1, 726732243), (3, 242244081), (9, 80748027), (27, 26916009), (81, 8972003), (997, 728919), (2991, 242973), (8973, 80991), (8999, 80757), (26919, 26997)]