213301543

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 285390336

約数和(自身を除く): 72088793

約数列:

[1, 7, 13, 19, 43, 91, 133, 151, 247, 301, 361, 559, 817, 1057, 1729, 1963, 2527, 2869, 3913, 4693, 5719, 6493, 10621, 13741, 15523, 20083, 32851, 37297, 45451, 54511, 74347, 84409, 108661, 123367, 201799, 261079, 381577, 590863, 708643, 863569, 1412593, 1603771, 2343973, 4960501, 11226397, 16407811, 30471649, 213301543]

約数ペア:

[(1, 213301543), (7, 30471649), (13, 16407811), (19, 11226397), (43, 4960501), (91, 2343973), (133, 1603771), (151, 1412593), (247, 863569), (301, 708643), (361, 590863), (559, 381577), (817, 261079), (1057, 201799), (1729, 123367), (1963, 108661), (2527, 84409), (2869, 74347), (3913, 54511), (4693, 45451), (5719, 37297), (6493, 32851), (10621, 20083), (13741, 15523)]