28726131

素因数分解:

$3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{7907}}^1$

素因数の和:8090

約数の個数: 16

約数和(自身を含む): 44031744

約数和(自身を除く): 15305613

約数列:

[1, 3, 7, 21, 173, 519, 1211, 3633, 7907, 23721, 55349, 166047, 1367911, 4103733, 9575377, 28726131]

約数ペア:

[(1, 28726131), (3, 9575377), (7, 4103733), (21, 1367911), (173, 166047), (519, 55349), (1211, 23721), (3633, 7907)]