260097885

素因数分解:

$3^4\times 5^1\times {\mathrm{642217}}^1$

素因数の和:642234

約数の個数: 20

約数和(自身を含む): 466250268

約数和(自身を除く): 206152383

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 642217, 1926651, 3211085, 5779953, 9633255, 17339859, 28899765, 52019577, 86699295, 260097885]

約数ペア:

[(1, 260097885), (3, 86699295), (5, 52019577), (9, 28899765), (15, 17339859), (27, 9633255), (45, 5779953), (81, 3211085), (135, 1926651), (405, 642217)]