321567495

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2141}}^1$

素因数の和:2216

約数の個数: 64

約数和(自身を含む): 592220160

約数和(自身を除く): 270652665

約数列:

[1, 3, 5, 15, 17, 19, 31, 51, 57, 85, 93, 95, 155, 255, 285, 323, 465, 527, 589, 969, 1581, 1615, 1767, 2141, 2635, 2945, 4845, 6423, 7905, 8835, 10013, 10705, 30039, 32115, 36397, 40679, 50065, 66371, 109191, 122037, 150195, 181985, 199113, 203395, 331855, 545955, 610185, 691543, 995565, 1128307, 1261049, 2074629, 3384921, 3457715, 3783147, 5641535, 6305245, 10373145, 16924605, 18915735, 21437833, 64313499, 107189165, 321567495]

約数ペア:

[(1, 321567495), (3, 107189165), (5, 64313499), (15, 21437833), (17, 18915735), (19, 16924605), (31, 10373145), (51, 6305245), (57, 5641535), (85, 3783147), (93, 3457715), (95, 3384921), (155, 2074629), (255, 1261049), (285, 1128307), (323, 995565), (465, 691543), (527, 610185), (589, 545955), (969, 331855), (1581, 203395), (1615, 199113), (1767, 181985), (2141, 150195), (2635, 122037), (2945, 109191), (4845, 66371), (6423, 50065), (7905, 40679), (8835, 36397), (10013, 32115), (10705, 30039)]