7647705

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{769}}^1$

素因数の和:810

約数の個数: 48

約数和(自身を含む): 15135120

約数和(自身を除く): 7487415

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 195, 221, 255, 585, 663, 765, 769, 1105, 1989, 2307, 3315, 3845, 6921, 9945, 9997, 11535, 13073, 29991, 34605, 39219, 49985, 65365, 89973, 117657, 149955, 169949, 196095, 449865, 509847, 588285, 849745, 1529541, 2549235, 7647705]

約数ペア:

[(1, 7647705), (3, 2549235), (5, 1529541), (9, 849745), (13, 588285), (15, 509847), (17, 449865), (39, 196095), (45, 169949), (51, 149955), (65, 117657), (85, 89973), (117, 65365), (153, 49985), (195, 39219), (221, 34605), (255, 29991), (585, 13073), (663, 11535), (765, 9997), (769, 9945), (1105, 6921), (1989, 3845), (2307, 3315)]