11787945

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{991}}^1$

素因数の和:1073

約数の個数: 32

約数和(自身を含む): 20665344

約数和(自身を除く): 8877399

約数列:

[1, 3, 5, 13, 15, 39, 61, 65, 183, 195, 305, 793, 915, 991, 2379, 2973, 3965, 4955, 11895, 12883, 14865, 38649, 60451, 64415, 181353, 193245, 302255, 785863, 906765, 2357589, 3929315, 11787945]

約数ペア:

[(1, 11787945), (3, 3929315), (5, 2357589), (13, 906765), (15, 785863), (39, 302255), (61, 193245), (65, 181353), (183, 64415), (195, 60451), (305, 38649), (793, 14865), (915, 12883), (991, 11895), (2379, 4955), (2973, 3965)]