7886385

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:115

約数の個数: 72

約数和(自身を含む): 15929784

約数和(自身を除く): 8043399

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 61, 65, 85, 117, 153, 169, 183, 195, 221, 255, 305, 507, 549, 585, 663, 765, 793, 845, 915, 1037, 1105, 1521, 1989, 2379, 2535, 2745, 2873, 3111, 3315, 3965, 5185, 7137, 7605, 8619, 9333, 9945, 10309, 11895, 13481, 14365, 15555, 25857, 30927, 35685, 40443, 43095, 46665, 51545, 67405, 92781, 121329, 129285, 154635, 175253, 202215, 463905, 525759, 606645, 876265, 1577277, 2628795, 7886385]

約数ペア:

[(1, 7886385), (3, 2628795), (5, 1577277), (9, 876265), (13, 606645), (15, 525759), (17, 463905), (39, 202215), (45, 175253), (51, 154635), (61, 129285), (65, 121329), (85, 92781), (117, 67405), (153, 51545), (169, 46665), (183, 43095), (195, 40443), (221, 35685), (255, 30927), (305, 25857), (507, 15555), (549, 14365), (585, 13481), (663, 11895), (765, 10309), (793, 9945), (845, 9333), (915, 8619), (1037, 7605), (1105, 7137), (1521, 5185), (1989, 3965), (2379, 3315), (2535, 3111), (2745, 2873)]