9988245

素因数分解:

$3^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{307}}^1$

素因数の和:562

約数の個数: 32

約数和(自身を含む): 17888640

約数和(自身を除く): 7900395

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 241, 307, 723, 921, 1205, 1535, 2169, 2763, 3615, 4605, 6507, 8289, 10845, 13815, 32535, 41445, 73987, 221961, 369935, 665883, 1109805, 1997649, 3329415, 9988245]

約数ペア:

[(1, 9988245), (3, 3329415), (5, 1997649), (9, 1109805), (15, 665883), (27, 369935), (45, 221961), (135, 73987), (241, 41445), (307, 32535), (723, 13815), (921, 10845), (1205, 8289), (1535, 6507), (2169, 4605), (2763, 3615)]