26668245

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{421}}^1$

素因数の和:573

約数の個数: 32

約数和(自身を含む): 44239104

約数和(自身を除く): 17570859

約数列:

[1, 3, 5, 15, 41, 103, 123, 205, 309, 421, 515, 615, 1263, 1545, 2105, 4223, 6315, 12669, 17261, 21115, 43363, 51783, 63345, 86305, 130089, 216815, 258915, 650445, 1777883, 5333649, 8889415, 26668245]

約数ペア:

[(1, 26668245), (3, 8889415), (5, 5333649), (15, 1777883), (41, 650445), (103, 258915), (123, 216815), (205, 130089), (309, 86305), (421, 63345), (515, 51783), (615, 43363), (1263, 21115), (1545, 17261), (2105, 12669), (4223, 6315)]