209216490885

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{682009}}^1$

素因数の和:682438

約数の個数: 48

約数和(自身を含む): 384931900080

約数和(自身を除く): 175715409195

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 401, 765, 1203, 2005, 3609, 6015, 6817, 18045, 20451, 34085, 61353, 102255, 306765, 682009, 2046027, 3410045, 6138081, 10230135, 11594153, 30690405, 34782459, 57970765, 104347377, 173912295, 273485609, 521736885, 820456827, 1367428045, 2461370481, 4102284135, 4649255353, 12306852405, 13947766059, 23246276765, 41843298177, 69738830295, 209216490885]

約数ペア:

[(1, 209216490885), (3, 69738830295), (5, 41843298177), (9, 23246276765), (15, 13947766059), (17, 12306852405), (45, 4649255353), (51, 4102284135), (85, 2461370481), (153, 1367428045), (255, 820456827), (401, 521736885), (765, 273485609), (1203, 173912295), (2005, 104347377), (3609, 57970765), (6015, 34782459), (6817, 30690405), (18045, 11594153), (20451, 10230135), (34085, 6138081), (61353, 3410045), (102255, 2046027), (306765, 682009)]