28022145

素因数分解:

$3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 46019712

約数和(自身を除く): 17997567

約数列:

[1, 3, 5, 15, 73, 157, 163, 219, 365, 471, 489, 785, 815, 1095, 2355, 2445, 11461, 11899, 25591, 34383, 35697, 57305, 59495, 76773, 127955, 171915, 178485, 383865, 1868143, 5604429, 9340715, 28022145]

約数ペア:

[(1, 28022145), (3, 9340715), (5, 5604429), (15, 1868143), (73, 383865), (157, 178485), (163, 171915), (219, 127955), (365, 76773), (471, 59495), (489, 57305), (785, 35697), (815, 34383), (1095, 25591), (2355, 11899), (2445, 11461)]