221063835

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{866917}}^1$

素因数の和:866942

約数の個数: 16

約数和(自身を含む): 374508576

約数和(自身を除く): 153444741

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 866917, 2600751, 4334585, 13003755, 14737589, 44212767, 73687945, 221063835]

約数ペア:

[(1, 221063835), (3, 73687945), (5, 44212767), (15, 14737589), (17, 13003755), (51, 4334585), (85, 2600751), (255, 866917)]