17991525

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 32033664

約数和(自身を除く): 14042139

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 103, 137, 255, 309, 411, 425, 515, 685, 1275, 1545, 1751, 2055, 2329, 2575, 3425, 5253, 6987, 7725, 8755, 10275, 11645, 14111, 26265, 34935, 42333, 43775, 58225, 70555, 131325, 174675, 211665, 239887, 352775, 719661, 1058325, 1199435, 3598305, 5997175, 17991525]

約数ペア:

[(1, 17991525), (3, 5997175), (5, 3598305), (15, 1199435), (17, 1058325), (25, 719661), (51, 352775), (75, 239887), (85, 211665), (103, 174675), (137, 131325), (255, 70555), (309, 58225), (411, 43775), (425, 42333), (515, 34935), (685, 26265), (1275, 14111), (1545, 11645), (1751, 10275), (2055, 8755), (2329, 7725), (2575, 6987), (3425, 5253)]