8990025

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{641}}^1$

素因数の和:682

約数の個数: 48

約数和(自身を含む): 17195328

約数和(自身を除く): 8205303

約数列:

[1, 3, 5, 11, 15, 17, 25, 33, 51, 55, 75, 85, 165, 187, 255, 275, 425, 561, 641, 825, 935, 1275, 1923, 2805, 3205, 4675, 7051, 9615, 10897, 14025, 16025, 21153, 32691, 35255, 48075, 54485, 105765, 119867, 163455, 176275, 272425, 359601, 528825, 599335, 817275, 1798005, 2996675, 8990025]

約数ペア:

[(1, 8990025), (3, 2996675), (5, 1798005), (11, 817275), (15, 599335), (17, 528825), (25, 359601), (33, 272425), (51, 176275), (55, 163455), (75, 119867), (85, 105765), (165, 54485), (187, 48075), (255, 35255), (275, 32691), (425, 21153), (561, 16025), (641, 14025), (825, 10897), (935, 9615), (1275, 7051), (1923, 4675), (2805, 3205)]