30621969

素因数分解:

$3^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1019}}^1$

素因数の和:1091

約数の個数: 40

約数和(自身を含む): 53317440

約数和(自身を除く): 22695471

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 81, 159, 189, 371, 477, 567, 1019, 1113, 1431, 3057, 3339, 4293, 7133, 9171, 10017, 21399, 27513, 30051, 54007, 64197, 82539, 162021, 192591, 378049, 486063, 577773, 1134147, 1458189, 3402441, 4374567, 10207323, 30621969]

約数ペア:

[(1, 30621969), (3, 10207323), (7, 4374567), (9, 3402441), (21, 1458189), (27, 1134147), (53, 577773), (63, 486063), (81, 378049), (159, 192591), (189, 162021), (371, 82539), (477, 64197), (567, 54007), (1019, 30051), (1113, 27513), (1431, 21399), (3057, 10017), (3339, 9171), (4293, 7133)]