211622385

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{2083}}^1$

素因数の和:2625

約数の個数: 32

約数和(自身を含む): 365516928

約数和(自身を除く): 153894543

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 521, 1563, 2083, 2605, 6249, 6773, 7815, 10415, 20319, 27079, 31245, 33865, 81237, 101595, 135395, 406185, 1085243, 3255729, 5426215, 14108159, 16278645, 42324477, 70540795, 211622385]

約数ペア:

[(1, 211622385), (3, 70540795), (5, 42324477), (13, 16278645), (15, 14108159), (39, 5426215), (65, 3255729), (195, 1085243), (521, 406185), (1563, 135395), (2083, 101595), (2605, 81237), (6249, 33865), (6773, 31245), (7815, 27079), (10415, 20319)]