238536495

素因数分解:

$3^4\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1399}}^1$

素因数の和:1837

約数の個数: 40

約数和(自身を含む): 428920800

約数和(自身を除く): 190384305

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 421, 1263, 1399, 2105, 3789, 4197, 6315, 6995, 11367, 12591, 18945, 20985, 34101, 37773, 56835, 62955, 113319, 170505, 188865, 566595, 588979, 1766937, 2944895, 5300811, 8834685, 15902433, 26504055, 47707299, 79512165, 238536495]

約数ペア:

[(1, 238536495), (3, 79512165), (5, 47707299), (9, 26504055), (15, 15902433), (27, 8834685), (45, 5300811), (81, 2944895), (135, 1766937), (405, 588979), (421, 566595), (1263, 188865), (1399, 170505), (2105, 113319), (3789, 62955), (4197, 56835), (6315, 37773), (6995, 34101), (11367, 20985), (12591, 18945)]