215367621

素因数分解:

$3^1\times 7^1\times {\mathrm{859}}^1\times {\mathrm{11939}}^1$

素因数の和:12808

約数の個数: 16

約数和(自身を含む): 328588800

約数和(自身を除く): 113221179

約数列:

[1, 3, 7, 21, 859, 2577, 6013, 11939, 18039, 35817, 83573, 250719, 10255601, 30766803, 71789207, 215367621]

約数ペア:

[(1, 215367621), (3, 71789207), (7, 30766803), (21, 10255601), (859, 250719), (2577, 83573), (6013, 35817), (11939, 18039)]