25406721

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{787}}^1$

素因数の和:1021

約数の個数: 24

約数和(自身を含む): 39091104

約数和(自身を除く): 13684383

約数列:

[1, 3, 9, 17, 51, 153, 211, 633, 787, 1899, 2361, 3587, 7083, 10761, 13379, 32283, 40137, 120411, 166057, 498171, 1494513, 2822969, 8468907, 25406721]

約数ペア:

[(1, 25406721), (3, 8468907), (9, 2822969), (17, 1494513), (51, 498171), (153, 166057), (211, 120411), (633, 40137), (787, 32283), (1899, 13379), (2361, 10761), (3587, 7083)]