81768078

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{648953}}^1$

素因数の和:648968

約数の個数: 24

約数和(自身を含む): 202473648

約数和(自身を除く): 120705570

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 648953, 1297906, 1946859, 3893718, 4542671, 5840577, 9085342, 11681154, 13628013, 27256026, 40884039, 81768078]

約数ペア:

[(1, 81768078), (2, 40884039), (3, 27256026), (6, 13628013), (7, 11681154), (9, 9085342), (14, 5840577), (18, 4542671), (21, 3893718), (42, 1946859), (63, 1297906), (126, 648953)]