2019306861

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{16871}}^1$

素因数の和:16935

約数の個数: 64

約数和(自身を含む): 3628154880

約数和(自身を除く): 1608848019

約数列:

[1, 3, 9, 11, 13, 27, 31, 33, 39, 93, 99, 117, 143, 279, 297, 341, 351, 403, 429, 837, 1023, 1209, 1287, 3069, 3627, 3861, 4433, 9207, 10881, 13299, 16871, 39897, 50613, 119691, 151839, 185581, 219323, 455517, 523001, 556743, 657969, 1569003, 1670229, 1973907, 2412553, 4707009, 5010687, 5753011, 5921721, 6799013, 7237659, 14121027, 17259033, 20397039, 21712977, 51777099, 61191117, 65138931, 74789143, 155331297, 183573351, 224367429, 673102287, 2019306861]

約数ペア:

[(1, 2019306861), (3, 673102287), (9, 224367429), (11, 183573351), (13, 155331297), (27, 74789143), (31, 65138931), (33, 61191117), (39, 51777099), (93, 21712977), (99, 20397039), (117, 17259033), (143, 14121027), (279, 7237659), (297, 6799013), (341, 5921721), (351, 5753011), (403, 5010687), (429, 4707009), (837, 2412553), (1023, 1973907), (1209, 1670229), (1287, 1569003), (3069, 657969), (3627, 556743), (3861, 523001), (4433, 455517), (9207, 219323), (10881, 185581), (13299, 151839), (16871, 119691), (39897, 50613)]