135678975

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{42071}}^1$

素因数の和:42127

約数の個数: 24

約数和(自身を含む): 229544832

約数和(自身を除く): 93865857

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 42071, 126213, 210355, 631065, 1051775, 1809053, 3155325, 5427159, 9045265, 27135795, 45226325, 135678975]

約数ペア:

[(1, 135678975), (3, 45226325), (5, 27135795), (15, 9045265), (25, 5427159), (43, 3155325), (75, 1809053), (129, 1051775), (215, 631065), (645, 210355), (1075, 126213), (3225, 42071)]