221706435

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{869437}}^1$

素因数の和:869462

約数の個数: 16

約数和(自身を含む): 375597216

約数和(自身を除く): 153890781

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 869437, 2608311, 4347185, 13041555, 14780429, 44341287, 73902145, 221706435]

約数ペア:

[(1, 221706435), (3, 73902145), (5, 44341287), (15, 14780429), (17, 13041555), (51, 4347185), (85, 2608311), (255, 869437)]