42818571

素因数分解:

$3^3\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:261

約数の個数: 48

約数和(自身を含む): 70225920

約数和(自身を除く): 27407349

約数列:

[1, 3, 9, 19, 23, 27, 57, 69, 171, 191, 207, 361, 437, 513, 573, 621, 1083, 1311, 1719, 3249, 3629, 3933, 4393, 5157, 8303, 9747, 10887, 11799, 13179, 24909, 32661, 39537, 68951, 74727, 83467, 97983, 118611, 206853, 224181, 250401, 620559, 751203, 1585873, 1861677, 2253609, 4757619, 14272857, 42818571]

約数ペア:

[(1, 42818571), (3, 14272857), (9, 4757619), (19, 2253609), (23, 1861677), (27, 1585873), (57, 751203), (69, 620559), (171, 250401), (191, 224181), (207, 206853), (361, 118611), (437, 97983), (513, 83467), (573, 74727), (621, 68951), (1083, 39537), (1311, 32661), (1719, 24909), (3249, 13179), (3629, 11799), (3933, 10887), (4393, 9747), (5157, 8303)]