248702979

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4327}}^1$

素因数の和:4384

約数の個数: 48

約数和(自身を含む): 426290688

約数和(自身を除く): 177587709

約数列:

[1, 3, 7, 17, 21, 23, 49, 51, 69, 119, 147, 161, 357, 391, 483, 833, 1127, 1173, 2499, 2737, 3381, 4327, 8211, 12981, 19159, 30289, 57477, 73559, 90867, 99521, 212023, 220677, 298563, 514913, 636069, 696647, 1544739, 1691857, 2089941, 3604391, 4876529, 5075571, 10813173, 11842999, 14629587, 35528997, 82900993, 248702979]

約数ペア:

[(1, 248702979), (3, 82900993), (7, 35528997), (17, 14629587), (21, 11842999), (23, 10813173), (49, 5075571), (51, 4876529), (69, 3604391), (119, 2089941), (147, 1691857), (161, 1544739), (357, 696647), (391, 636069), (483, 514913), (833, 298563), (1127, 220677), (1173, 212023), (2499, 99521), (2737, 90867), (3381, 73559), (4327, 57477), (8211, 30289), (12981, 19159)]