81317205

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{106297}}^1$

素因数の和:106325

約数の個数: 24

約数和(自身を含む): 149242392

約数和(自身を除く): 67925187

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 106297, 318891, 531485, 956673, 1594455, 1807049, 4783365, 5421147, 9035245, 16263441, 27105735, 81317205]

約数ペア:

[(1, 81317205), (3, 27105735), (5, 16263441), (9, 9035245), (15, 5421147), (17, 4783365), (45, 1807049), (51, 1594455), (85, 956673), (153, 531485), (255, 318891), (765, 106297)]