28468245

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{145991}}^1$

素因数の和:146012

約数の個数: 16

約数和(自身を含む): 49053312

約数和(自身を除く): 20585067

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 145991, 437973, 729955, 1897883, 2189865, 5693649, 9489415, 28468245]

約数ペア:

[(1, 28468245), (3, 9489415), (5, 5693649), (13, 2189865), (15, 1897883), (39, 729955), (65, 437973), (195, 145991)]