16937721

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{241}}^1$

素因数の和:406

約数の個数: 32

約数和(自身を含む): 26716800

約数和(自身を除く): 9779079

約数列:

[1, 3, 9, 19, 27, 57, 137, 171, 241, 411, 513, 723, 1233, 2169, 2603, 3699, 4579, 6507, 7809, 13737, 23427, 33017, 41211, 70281, 99051, 123633, 297153, 627323, 891459, 1881969, 5645907, 16937721]

約数ペア:

[(1, 16937721), (3, 5645907), (9, 1881969), (19, 891459), (27, 627323), (57, 297153), (137, 123633), (171, 99051), (241, 70281), (411, 41211), (513, 33017), (723, 23427), (1233, 13737), (2169, 7809), (2603, 6507), (3699, 4579)]