40388319

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:476

約数の個数: 36

約数和(自身を含む): 63715392

約数和(自身を除く): 23327073

約数列:

[1, 3, 9, 19, 31, 57, 93, 171, 279, 361, 401, 589, 1083, 1203, 1767, 3249, 3609, 5301, 7619, 11191, 12431, 22857, 33573, 37293, 68571, 100719, 111879, 144761, 236189, 434283, 708567, 1302849, 2125701, 4487591, 13462773, 40388319]

約数ペア:

[(1, 40388319), (3, 13462773), (9, 4487591), (19, 2125701), (31, 1302849), (57, 708567), (93, 434283), (171, 236189), (279, 144761), (361, 111879), (401, 100719), (589, 68571), (1083, 37293), (1203, 33573), (1767, 22857), (3249, 12431), (3609, 11191), (5301, 7619)]