2178711

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:196

約数の個数: 32

約数和(自身を含む): 3532800

約数和(自身を除く): 1354089

約数列:

[1, 3, 9, 19, 27, 31, 57, 93, 137, 171, 279, 411, 513, 589, 837, 1233, 1767, 2603, 3699, 4247, 5301, 7809, 12741, 15903, 23427, 38223, 70281, 80693, 114669, 242079, 726237, 2178711]

約数ペア:

[(1, 2178711), (3, 726237), (9, 242079), (19, 114669), (27, 80693), (31, 70281), (57, 38223), (93, 23427), (137, 15903), (171, 12741), (279, 7809), (411, 5301), (513, 4247), (589, 3699), (837, 2603), (1233, 1767)]