398871

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:116

約数の個数: 32

約数和(自身を含む): 691200

約数和(自身を除く): 292329

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 79, 99, 153, 187, 237, 297, 459, 561, 711, 869, 1343, 1683, 2133, 2607, 4029, 5049, 7821, 12087, 14773, 23463, 36261, 44319, 132957, 398871]

約数ペア:

[(1, 398871), (3, 132957), (9, 44319), (11, 36261), (17, 23463), (27, 14773), (33, 12087), (51, 7821), (79, 5049), (99, 4029), (153, 2607), (187, 2133), (237, 1683), (297, 1343), (459, 869), (561, 711)]