8790405

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{739}}^1$

素因数の和:821

約数の個数: 32

約数和(自身を含む): 15415680

約数和(自身を除く): 6625275

約数列:

[1, 3, 5, 13, 15, 39, 61, 65, 183, 195, 305, 739, 793, 915, 2217, 2379, 3695, 3965, 9607, 11085, 11895, 28821, 45079, 48035, 135237, 144105, 225395, 586027, 676185, 1758081, 2930135, 8790405]

約数ペア:

[(1, 8790405), (3, 2930135), (5, 1758081), (13, 676185), (15, 586027), (39, 225395), (61, 144105), (65, 135237), (183, 48035), (195, 45079), (305, 28821), (739, 11895), (793, 11085), (915, 9607), (2217, 3965), (2379, 3695)]