30421105

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{271}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 43319808

約数和(自身を除く): 12898703

約数列:

[1, 5, 11, 13, 55, 65, 143, 157, 271, 715, 785, 1355, 1727, 2041, 2981, 3523, 8635, 10205, 14905, 17615, 22451, 38753, 42547, 112255, 193765, 212735, 468017, 553111, 2340085, 2765555, 6084221, 30421105]

約数ペア:

[(1, 30421105), (5, 6084221), (11, 2765555), (13, 2340085), (55, 553111), (65, 468017), (143, 212735), (157, 193765), (271, 112255), (715, 42547), (785, 38753), (1355, 22451), (1727, 17615), (2041, 14905), (2981, 10205), (3523, 8635)]