28013221785

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{64398211}}^1$

素因数の和:64398248

約数の個数: 16

約数和(自身を含む): 46366712640

約数和(自身を除く): 18353490855

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 64398211, 193194633, 321991055, 965973165, 1867548119, 5602644357, 9337740595, 28013221785]

約数ペア:

[(1, 28013221785), (3, 9337740595), (5, 5602644357), (15, 1867548119), (29, 965973165), (87, 321991055), (145, 193194633), (435, 64398211)]