217426878

素因数分解:

$2^1\times 3^2\times {\mathrm{109}}^1\times {\mathrm{110819}}^1$

素因数の和:110936

約数の個数: 24

約数和(自身を含む): 475417800

約数和(自身を除く): 257990922

約数列:

[1, 2, 3, 6, 9, 18, 109, 218, 327, 654, 981, 1962, 110819, 221638, 332457, 664914, 997371, 1994742, 12079271, 24158542, 36237813, 72475626, 108713439, 217426878]

約数ペア:

[(1, 217426878), (2, 108713439), (3, 72475626), (6, 36237813), (9, 24158542), (18, 12079271), (109, 1994742), (218, 997371), (327, 664914), (654, 332457), (981, 221638), (1962, 110819)]