16211205

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^2\times {\mathrm{227}}^1$

素因数の和:287

約数の個数: 48

約数和(自身を含む): 30260160

約数和(自身を除く): 14048955

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 227, 345, 529, 621, 681, 1035, 1135, 1587, 2043, 2645, 3105, 3405, 4761, 5221, 6129, 7935, 10215, 14283, 15663, 23805, 26105, 30645, 46989, 71415, 78315, 120083, 140967, 234945, 360249, 600415, 704835, 1080747, 1801245, 3242241, 5403735, 16211205]

約数ペア:

[(1, 16211205), (3, 5403735), (5, 3242241), (9, 1801245), (15, 1080747), (23, 704835), (27, 600415), (45, 360249), (69, 234945), (115, 140967), (135, 120083), (207, 78315), (227, 71415), (345, 46989), (529, 30645), (621, 26105), (681, 23805), (1035, 15663), (1135, 14283), (1587, 10215), (2043, 7935), (2645, 6129), (3105, 5221), (3405, 4761)]