217875690

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{806947}}^1$

素因数の和:806963

約数の個数: 32

約数和(自身を含む): 581002560

約数和(自身を除く): 363126870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 806947, 1613894, 2420841, 4034735, 4841682, 7262523, 8069470, 12104205, 14525046, 21787569, 24208410, 36312615, 43575138, 72625230, 108937845, 217875690]

約数ペア:

[(1, 217875690), (2, 108937845), (3, 72625230), (5, 43575138), (6, 36312615), (9, 24208410), (10, 21787569), (15, 14525046), (18, 12104205), (27, 8069470), (30, 7262523), (45, 4841682), (54, 4034735), (90, 2420841), (135, 1613894), (270, 806947)]