64701018

素因数分解:

$2^1\times 3^4\times {\mathrm{399389}}^1$

素因数の和:399403

約数の個数: 20

約数和(自身を含む): 144978570

約数和(自身を除く): 80277552

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 399389, 798778, 1198167, 2396334, 3594501, 7189002, 10783503, 21567006, 32350509, 64701018]

約数ペア:

[(1, 64701018), (2, 32350509), (3, 21567006), (6, 10783503), (9, 7189002), (18, 3594501), (27, 2396334), (54, 1198167), (81, 798778), (162, 399389)]