78261267

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{503}}^1$

素因数の和:783

約数の個数: 32

約数和(自身を含む): 123863040

約数和(自身を除く): 45601773

約数列:

[1, 3, 7, 21, 31, 93, 217, 239, 503, 651, 717, 1509, 1673, 3521, 5019, 7409, 10563, 15593, 22227, 46779, 51863, 109151, 120217, 155589, 327453, 360651, 841519, 2524557, 3726727, 11180181, 26087089, 78261267]

約数ペア:

[(1, 78261267), (3, 26087089), (7, 11180181), (21, 3726727), (31, 2524557), (93, 841519), (217, 360651), (239, 327453), (503, 155589), (651, 120217), (717, 109151), (1509, 51863), (1673, 46779), (3521, 22227), (5019, 15593), (7409, 10563)]