28754565

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:302

約数の個数: 64

約数和(自身を含む): 56609280

約数和(自身を除く): 27854715

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 89, 105, 119, 181, 255, 267, 357, 445, 543, 595, 623, 905, 1267, 1335, 1513, 1785, 1869, 2715, 3077, 3115, 3801, 4539, 6335, 7565, 9231, 9345, 10591, 15385, 16109, 19005, 21539, 22695, 31773, 46155, 48327, 52955, 64617, 80545, 107695, 112763, 158865, 241635, 273853, 323085, 338289, 563815, 821559, 1369265, 1691445, 1916971, 4107795, 5750913, 9584855, 28754565]

約数ペア:

[(1, 28754565), (3, 9584855), (5, 5750913), (7, 4107795), (15, 1916971), (17, 1691445), (21, 1369265), (35, 821559), (51, 563815), (85, 338289), (89, 323085), (105, 273853), (119, 241635), (181, 158865), (255, 112763), (267, 107695), (357, 80545), (445, 64617), (543, 52955), (595, 48327), (623, 46155), (905, 31773), (1267, 22695), (1335, 21539), (1513, 19005), (1785, 16109), (1869, 15385), (2715, 10591), (3077, 9345), (3115, 9231), (3801, 7565), (4539, 6335)]