28650015

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{2203}}^1$

素因数の和:2248

約数の個数: 36

約数和(自身を含む): 52776984

約数和(自身を除く): 24126969

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 289, 765, 867, 1445, 2203, 2601, 4335, 6609, 11015, 13005, 19827, 33045, 37451, 99135, 112353, 187255, 337059, 561765, 636667, 1685295, 1910001, 3183335, 5730003, 9550005, 28650015]

約数ペア:

[(1, 28650015), (3, 9550005), (5, 5730003), (9, 3183335), (15, 1910001), (17, 1685295), (45, 636667), (51, 561765), (85, 337059), (153, 187255), (255, 112353), (289, 99135), (765, 37451), (867, 33045), (1445, 19827), (2203, 13005), (2601, 11015), (4335, 6609)]