28803681

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{11471}}^1$

素因数の和:11514

約数の個数: 20

約数和(自身を含む): 44419584

約数和(自身を除く): 15615903

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 11471, 34413, 103239, 309717, 355601, 929151, 1066803, 3200409, 9601227, 28803681]

約数ペア:

[(1, 28803681), (3, 9601227), (9, 3200409), (27, 1066803), (31, 929151), (81, 355601), (93, 309717), (279, 103239), (837, 34413), (2511, 11471)]