206523915

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{257}}^1\times {\mathrm{317}}^1$

素因数の和:608

約数の個数: 48

約数和(自身を含む): 360337248

約数和(自身を除く): 153813333

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 257, 317, 507, 771, 845, 951, 1285, 1585, 2535, 3341, 3855, 4121, 4755, 10023, 12363, 16705, 20605, 43433, 50115, 53573, 61815, 81469, 130299, 160719, 217165, 244407, 267865, 407345, 651495, 803595, 1059097, 1222035, 3177291, 5295485, 13768261, 15886455, 41304783, 68841305, 206523915]

約数ペア:

[(1, 206523915), (3, 68841305), (5, 41304783), (13, 15886455), (15, 13768261), (39, 5295485), (65, 3177291), (169, 1222035), (195, 1059097), (257, 803595), (317, 651495), (507, 407345), (771, 267865), (845, 244407), (951, 217165), (1285, 160719), (1585, 130299), (2535, 81469), (3341, 61815), (3855, 53573), (4121, 50115), (4755, 43433), (10023, 20605), (12363, 16705)]