47720421

素因数分解:

$3^4\times 7^1\times {\mathrm{84163}}^1$

素因数の和:84182

約数の個数: 20

約数和(自身を含む): 81470752

約数和(自身を除く): 33750331

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 84163, 252489, 589141, 757467, 1767423, 2272401, 5302269, 6817203, 15906807, 47720421]

約数ペア:

[(1, 47720421), (3, 15906807), (7, 6817203), (9, 5302269), (21, 2272401), (27, 1767423), (63, 757467), (81, 589141), (189, 252489), (567, 84163)]