319220145

素因数分解:

$3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{54151}}^1$

素因数の和:54293

約数の個数: 24

約数和(自身を含む): 557548992

約数和(自身を除く): 238328847

約数列:

[1, 3, 5, 9, 15, 45, 131, 393, 655, 1179, 1965, 5895, 54151, 162453, 270755, 487359, 812265, 2436795, 7093781, 21281343, 35468905, 63844029, 106406715, 319220145]

約数ペア:

[(1, 319220145), (3, 106406715), (5, 63844029), (9, 35468905), (15, 21281343), (45, 7093781), (131, 2436795), (393, 812265), (655, 487359), (1179, 270755), (1965, 162453), (5895, 54151)]