81871326

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{85819}}^1$

素因数の和:85880

約数の個数: 24

約数和(自身を含む): 180736920

約数和(自身を除く): 98865594

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 159, 318, 477, 954, 85819, 171638, 257457, 514914, 772371, 1544742, 4548407, 9096814, 13645221, 27290442, 40935663, 81871326]

約数ペア:

[(1, 81871326), (2, 40935663), (3, 27290442), (6, 13645221), (9, 9096814), (18, 4548407), (53, 1544742), (106, 772371), (159, 514914), (318, 257457), (477, 171638), (954, 85819)]