80816337

素因数分解:

$3^2\times 7^2\times {\mathrm{401}}^1\times {\mathrm{457}}^1$

素因数の和:878

約数の個数: 36

約数和(自身を含む): 136429956

約数和(自身を除く): 55613619

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 401, 441, 457, 1203, 1371, 2807, 3199, 3609, 4113, 8421, 9597, 19649, 22393, 25263, 28791, 58947, 67179, 176841, 183257, 201537, 549771, 1282799, 1649313, 3848397, 8979593, 11545191, 26938779, 80816337]

約数ペア:

[(1, 80816337), (3, 26938779), (7, 11545191), (9, 8979593), (21, 3848397), (49, 1649313), (63, 1282799), (147, 549771), (401, 201537), (441, 183257), (457, 176841), (1203, 67179), (1371, 58947), (2807, 28791), (3199, 25263), (3609, 22393), (4113, 19649), (8421, 9597)]