251012097

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{209701}}^1$

素因数の和:209733

約数の個数: 24

約数和(自身を含む): 436180160

約数和(自身を除く): 185168063

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 209701, 629103, 1467907, 1887309, 3984319, 4403721, 11952957, 13211163, 27890233, 35858871, 83670699, 251012097]

約数ペア:

[(1, 251012097), (3, 83670699), (7, 35858871), (9, 27890233), (19, 13211163), (21, 11952957), (57, 4403721), (63, 3984319), (133, 1887309), (171, 1467907), (399, 629103), (1197, 209701)]