90704481

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{503}}^1$

素因数の和:821

約数の個数: 32

約数和(自身を含む): 143474688

約数和(自身を除く): 52770207

約数列:

[1, 3, 7, 21, 31, 93, 217, 277, 503, 651, 831, 1509, 1939, 3521, 5817, 8587, 10563, 15593, 25761, 46779, 60109, 109151, 139331, 180327, 327453, 417993, 975317, 2925951, 4319261, 12957783, 30234827, 90704481]

約数ペア:

[(1, 90704481), (3, 30234827), (7, 12957783), (21, 4319261), (31, 2925951), (93, 975317), (217, 417993), (277, 327453), (503, 180327), (651, 139331), (831, 109151), (1509, 60109), (1939, 46779), (3521, 25761), (5817, 15593), (8587, 10563)]