1921425

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 3696192

約数和(自身を除く): 1774767

約数列:

[1, 3, 5, 11, 15, 17, 25, 33, 51, 55, 75, 85, 137, 165, 187, 255, 275, 411, 425, 561, 685, 825, 935, 1275, 1507, 2055, 2329, 2805, 3425, 4521, 4675, 6987, 7535, 10275, 11645, 14025, 22605, 25619, 34935, 37675, 58225, 76857, 113025, 128095, 174675, 384285, 640475, 1921425]

約数ペア:

[(1, 1921425), (3, 640475), (5, 384285), (11, 174675), (15, 128095), (17, 113025), (25, 76857), (33, 58225), (51, 37675), (55, 34935), (75, 25619), (85, 22605), (137, 14025), (165, 11645), (187, 10275), (255, 7535), (275, 6987), (411, 4675), (425, 4521), (561, 3425), (685, 2805), (825, 2329), (935, 2055), (1275, 1507)]