513825

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:74

約数の個数: 48

約数和(自身を含む): 999936

約数和(自身を除く): 486111

約数列:

[1, 3, 5, 13, 15, 17, 25, 31, 39, 51, 65, 75, 85, 93, 155, 195, 221, 255, 325, 403, 425, 465, 527, 663, 775, 975, 1105, 1209, 1275, 1581, 2015, 2325, 2635, 3315, 5525, 6045, 6851, 7905, 10075, 13175, 16575, 20553, 30225, 34255, 39525, 102765, 171275, 513825]

約数ペア:

[(1, 513825), (3, 171275), (5, 102765), (13, 39525), (15, 34255), (17, 30225), (25, 20553), (31, 16575), (39, 13175), (51, 10075), (65, 7905), (75, 6851), (85, 6045), (93, 5525), (155, 3315), (195, 2635), (221, 2325), (255, 2015), (325, 1581), (403, 1275), (425, 1209), (465, 1105), (527, 975), (663, 775)]