242109405

素因数分解:

$3^5\times 5^1\times {\mathrm{199267}}^1$

素因数の和:199287

約数の個数: 24

約数和(自身を含む): 435201312

約数和(自身を除く): 193091907

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 199267, 597801, 996335, 1793403, 2989005, 5380209, 8967015, 16140627, 26901045, 48421881, 80703135, 242109405]

約数ペア:

[(1, 242109405), (3, 80703135), (5, 48421881), (9, 26901045), (15, 16140627), (27, 8967015), (45, 5380209), (81, 2989005), (135, 1793403), (243, 996335), (405, 597801), (1215, 199267)]