291225645

素因数分解:

$3^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{20161}}^1$

素因数の和:20282

約数の個数: 32

約数和(自身を含む): 522599040

約数和(自身を除く): 231373395

約数列:

[1, 3, 5, 9, 15, 27, 45, 107, 135, 321, 535, 963, 1605, 2889, 4815, 14445, 20161, 60483, 100805, 181449, 302415, 544347, 907245, 2157227, 2721735, 6471681, 10786135, 19415043, 32358405, 58245129, 97075215, 291225645]

約数ペア:

[(1, 291225645), (3, 97075215), (5, 58245129), (9, 32358405), (15, 19415043), (27, 10786135), (45, 6471681), (107, 2721735), (135, 2157227), (321, 907245), (535, 544347), (963, 302415), (1605, 181449), (2889, 100805), (4815, 60483), (14445, 20161)]