210813981

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{4561}}^1$

素因数の和:4673

約数の個数: 32

約数和(自身を含む): 336347136

約数和(自身を除く): 125533155

約数列:

[1, 3, 7, 21, 31, 71, 93, 213, 217, 497, 651, 1491, 2201, 4561, 6603, 13683, 15407, 31927, 46221, 95781, 141391, 323831, 424173, 971493, 989737, 2266817, 2969211, 6800451, 10038761, 30116283, 70271327, 210813981]

約数ペア:

[(1, 210813981), (3, 70271327), (7, 30116283), (21, 10038761), (31, 6800451), (71, 2969211), (93, 2266817), (213, 989737), (217, 971493), (497, 424173), (651, 323831), (1491, 141391), (2201, 95781), (4561, 46221), (6603, 31927), (13683, 15407)]