278311113

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{337}}^1\times {\mathrm{419}}^1$

素因数の和:838

約数の個数: 32

約数和(自身を含む): 420201600

約数和(自身を除く): 141890487

約数列:

[1, 3, 9, 27, 73, 219, 337, 419, 657, 1011, 1257, 1971, 3033, 3771, 9099, 11313, 24601, 30587, 73803, 91761, 141203, 221409, 275283, 423609, 664227, 825849, 1270827, 3812481, 10307819, 30923457, 92770371, 278311113]

約数ペア:

[(1, 278311113), (3, 92770371), (9, 30923457), (27, 10307819), (73, 3812481), (219, 1270827), (337, 825849), (419, 664227), (657, 423609), (1011, 275283), (1257, 221409), (1971, 141203), (3033, 91761), (3771, 73803), (9099, 30587), (11313, 24601)]