289249989

素因数分解:

$3^1\times 7^2\times {\mathrm{239}}^1\times {\mathrm{8233}}^1$

素因数の和:8489

約数の個数: 24

約数和(自身を含む): 450564480

約数和(自身を除く): 161314491

約数列:

[1, 3, 7, 21, 49, 147, 239, 717, 1673, 5019, 8233, 11711, 24699, 35133, 57631, 172893, 403417, 1210251, 1967687, 5903061, 13773809, 41321427, 96416663, 289249989]

約数ペア:

[(1, 289249989), (3, 96416663), (7, 41321427), (21, 13773809), (49, 5903061), (147, 1967687), (239, 1210251), (717, 403417), (1673, 172893), (5019, 57631), (8233, 35133), (11711, 24699)]