138946545

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71807}}^1$

素因数の和:71861

約数の個数: 24

約数和(自身を含む): 246445056

約数和(自身を除く): 107498511

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 71807, 215421, 359035, 646263, 1077105, 3087701, 3231315, 9263103, 15438505, 27789309, 46315515, 138946545]

約数ペア:

[(1, 138946545), (3, 46315515), (5, 27789309), (9, 15438505), (15, 9263103), (43, 3231315), (45, 3087701), (129, 1077105), (215, 646263), (387, 359035), (645, 215421), (1935, 71807)]