28217025

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{2459}}^1$

素因数の和:2495

約数の個数: 48

約数和(自身を含む): 54907200

約数和(自身を除く): 26690175

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 85, 135, 153, 225, 255, 425, 459, 675, 765, 1275, 2295, 2459, 3825, 7377, 11475, 12295, 22131, 36885, 41803, 61475, 66393, 110655, 125409, 184425, 209015, 331965, 376227, 553275, 627045, 1045075, 1128681, 1659825, 1881135, 3135225, 5643405, 9405675, 28217025]

約数ペア:

[(1, 28217025), (3, 9405675), (5, 5643405), (9, 3135225), (15, 1881135), (17, 1659825), (25, 1128681), (27, 1045075), (45, 627045), (51, 553275), (75, 376227), (85, 331965), (135, 209015), (153, 184425), (225, 125409), (255, 110655), (425, 66393), (459, 61475), (675, 41803), (765, 36885), (1275, 22131), (2295, 12295), (2459, 11475), (3825, 7377)]