145280345

素因数分解:

$5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{9721}}^1$

素因数の和:9801

約数の個数: 24

約数和(自身を含む): 206145288

約数和(自身を除く): 60864943

約数列:

[1, 5, 7, 35, 49, 61, 245, 305, 427, 2135, 2989, 9721, 14945, 48605, 68047, 340235, 476329, 592981, 2381645, 2964905, 4150867, 20754335, 29056069, 145280345]

約数ペア:

[(1, 145280345), (5, 29056069), (7, 20754335), (35, 4150867), (49, 2964905), (61, 2381645), (245, 592981), (305, 476329), (427, 340235), (2135, 68047), (2989, 48605), (9721, 14945)]