217405554

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{2131427}}^1$

素因数の和:2131449

約数の個数: 16

約数和(自身を含む): 460388448

約数和(自身を除く): 242982894

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 2131427, 4262854, 6394281, 12788562, 36234259, 72468518, 108702777, 217405554]

約数ペア:

[(1, 217405554), (2, 108702777), (3, 72468518), (6, 36234259), (17, 12788562), (34, 6394281), (51, 4262854), (102, 2131427)]