1918971

素因数分解:

$3^5\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:217

約数の個数: 24

約数和(自身を含む): 2948400

約数和(自身を除く): 1029429

約数列:

[1, 3, 9, 27, 53, 81, 149, 159, 243, 447, 477, 1341, 1431, 4023, 4293, 7897, 12069, 12879, 23691, 36207, 71073, 213219, 639657, 1918971]

約数ペア:

[(1, 1918971), (3, 639657), (9, 213219), (27, 71073), (53, 36207), (81, 23691), (149, 12879), (159, 12069), (243, 7897), (447, 4293), (477, 4023), (1341, 1431)]