277209981

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{419}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 436363200

約数和(自身を除く): 159153219

約数列:

[1, 3, 9, 19, 53, 57, 73, 159, 171, 219, 419, 477, 657, 1007, 1257, 1387, 3021, 3771, 3869, 4161, 7961, 9063, 11607, 12483, 22207, 23883, 30587, 34821, 66621, 71649, 73511, 91761, 199863, 220533, 275283, 421933, 581153, 661599, 1265799, 1621111, 1743459, 3797397, 4863333, 5230377, 14589999, 30801109, 92403327, 277209981]

約数ペア:

[(1, 277209981), (3, 92403327), (9, 30801109), (19, 14589999), (53, 5230377), (57, 4863333), (73, 3797397), (159, 1743459), (171, 1621111), (219, 1265799), (419, 661599), (477, 581153), (657, 421933), (1007, 275283), (1257, 220533), (1387, 199863), (3021, 91761), (3771, 73511), (3869, 71649), (4161, 66621), (7961, 34821), (9063, 30587), (11607, 23883), (12483, 22207)]