209216241

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1559}}^1$

素因数の和:1646

約数の個数: 48

約数和(自身を含む): 345246720

約数和(自身を除く): 136030479

約数列:

[1, 3, 9, 13, 31, 37, 39, 93, 111, 117, 279, 333, 403, 481, 1147, 1209, 1443, 1559, 3441, 3627, 4329, 4677, 10323, 14031, 14911, 20267, 44733, 48329, 57683, 60801, 134199, 144987, 173049, 182403, 434961, 519147, 628277, 749879, 1788173, 1884831, 2249637, 5364519, 5654493, 6748911, 16093557, 23246249, 69738747, 209216241]

約数ペア:

[(1, 209216241), (3, 69738747), (9, 23246249), (13, 16093557), (31, 6748911), (37, 5654493), (39, 5364519), (93, 2249637), (111, 1884831), (117, 1788173), (279, 749879), (333, 628277), (403, 519147), (481, 434961), (1147, 182403), (1209, 173049), (1443, 144987), (1559, 134199), (3441, 60801), (3627, 57683), (4329, 48329), (4677, 44733), (10323, 20267), (14031, 14911)]