21834375

素因数分解:

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

素因数の和:182

約数の個数: 48

約数和(自身を含む): 38810016

約数和(自身を除く): 16975641

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 125, 137, 255, 375, 411, 425, 625, 685, 1275, 1875, 2055, 2125, 2329, 3125, 3425, 6375, 6987, 9375, 10275, 10625, 11645, 17125, 31875, 34935, 51375, 53125, 58225, 85625, 159375, 174675, 256875, 291125, 428125, 873375, 1284375, 1455625, 4366875, 7278125, 21834375]

約数ペア:

[(1, 21834375), (3, 7278125), (5, 4366875), (15, 1455625), (17, 1284375), (25, 873375), (51, 428125), (75, 291125), (85, 256875), (125, 174675), (137, 159375), (255, 85625), (375, 58225), (411, 53125), (425, 51375), (625, 34935), (685, 31875), (1275, 17125), (1875, 11645), (2055, 10625), (2125, 10275), (2329, 9375), (3125, 6987), (3425, 6375)]