30812805

素因数分解:

$3^4\times 5^1\times {\mathrm{76081}}^1$

素因数の和:76098

約数の個数: 20

約数和(自身を含む): 55235532

約数和(自身を除く): 24422727

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 76081, 228243, 380405, 684729, 1141215, 2054187, 3423645, 6162561, 10270935, 30812805]

約数ペア:

[(1, 30812805), (3, 10270935), (5, 6162561), (9, 3423645), (15, 2054187), (27, 1141215), (45, 684729), (81, 380405), (135, 228243), (405, 76081)]