15985695

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 30481920

約数和(自身を除く): 14496225

約数列:

[1, 3, 5, 11, 15, 17, 33, 41, 51, 55, 85, 123, 139, 165, 187, 205, 255, 417, 451, 561, 615, 695, 697, 935, 1353, 1529, 2085, 2091, 2255, 2363, 2805, 3485, 4587, 5699, 6765, 7089, 7645, 7667, 10455, 11815, 17097, 22935, 23001, 25993, 28495, 35445, 38335, 62689, 77979, 85485, 96883, 115005, 129965, 188067, 290649, 313445, 389895, 484415, 940335, 1065713, 1453245, 3197139, 5328565, 15985695]

約数ペア:

[(1, 15985695), (3, 5328565), (5, 3197139), (11, 1453245), (15, 1065713), (17, 940335), (33, 484415), (41, 389895), (51, 313445), (55, 290649), (85, 188067), (123, 129965), (139, 115005), (165, 96883), (187, 85485), (205, 77979), (255, 62689), (417, 38335), (451, 35445), (561, 28495), (615, 25993), (695, 23001), (697, 22935), (935, 17097), (1353, 11815), (1529, 10455), (2085, 7667), (2091, 7645), (2255, 7089), (2363, 6765), (2805, 5699), (3485, 4587)]