28885395

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:396

約数の個数: 64

約数和(自身を含む): 58475520

約数和(自身を除く): 29590125

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 89, 105, 165, 231, 267, 281, 385, 445, 623, 843, 979, 1155, 1335, 1405, 1869, 1967, 2937, 3091, 3115, 4215, 4895, 5901, 6853, 9273, 9345, 9835, 14685, 15455, 20559, 21637, 25009, 29505, 34265, 46365, 64911, 75027, 102795, 108185, 125045, 175063, 275099, 324555, 375135, 525189, 825297, 875315, 1375495, 1925693, 2625945, 4126485, 5777079, 9628465, 28885395]

約数ペア:

[(1, 28885395), (3, 9628465), (5, 5777079), (7, 4126485), (11, 2625945), (15, 1925693), (21, 1375495), (33, 875315), (35, 825297), (55, 525189), (77, 375135), (89, 324555), (105, 275099), (165, 175063), (231, 125045), (267, 108185), (281, 102795), (385, 75027), (445, 64911), (623, 46365), (843, 34265), (979, 29505), (1155, 25009), (1335, 21637), (1405, 20559), (1869, 15455), (1967, 14685), (2937, 9835), (3091, 9345), (3115, 9273), (4215, 6853), (4895, 5901)]