31280085

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1319}}^1$

素因数の和:1378

約数の個数: 48

約数和(自身を含む): 59304960

約数和(自身を除く): 28024875

約数列:

[1, 3, 5, 9, 15, 17, 31, 45, 51, 85, 93, 153, 155, 255, 279, 465, 527, 765, 1319, 1395, 1581, 2635, 3957, 4743, 6595, 7905, 11871, 19785, 22423, 23715, 40889, 59355, 67269, 112115, 122667, 201807, 204445, 336345, 368001, 613335, 695113, 1009035, 1840005, 2085339, 3475565, 6256017, 10426695, 31280085]

約数ペア:

[(1, 31280085), (3, 10426695), (5, 6256017), (9, 3475565), (15, 2085339), (17, 1840005), (31, 1009035), (45, 695113), (51, 613335), (85, 368001), (93, 336345), (153, 204445), (155, 201807), (255, 122667), (279, 112115), (465, 67269), (527, 59355), (765, 40889), (1319, 23715), (1395, 22423), (1581, 19785), (2635, 11871), (3957, 7905), (4743, 6595)]