27730145

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 36923040

約数和(自身を除く): 9192895

約数列:

[1, 5, 17, 41, 73, 85, 109, 205, 365, 545, 697, 1241, 1853, 2993, 3485, 4469, 6205, 7957, 9265, 14965, 22345, 39785, 50881, 75973, 135269, 254405, 326237, 379865, 676345, 1631185, 5546029, 27730145]

約数ペア:

[(1, 27730145), (5, 5546029), (17, 1631185), (41, 676345), (73, 379865), (85, 326237), (109, 254405), (205, 135269), (365, 75973), (545, 50881), (697, 39785), (1241, 22345), (1853, 14965), (2993, 9265), (3485, 7957), (4469, 6205)]