200540991

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{7079}}^1$

素因数の和:7179

約数の個数: 32

約数和(自身を含む): 326246400

約数和(自身を除く): 125705409

約数列:

[1, 3, 7, 19, 21, 57, 71, 133, 213, 399, 497, 1349, 1491, 4047, 7079, 9443, 21237, 28329, 49553, 134501, 148659, 403503, 502609, 941507, 1507827, 2824521, 3518263, 9549571, 10554789, 28648713, 66846997, 200540991]

約数ペア:

[(1, 200540991), (3, 66846997), (7, 28648713), (19, 10554789), (21, 9549571), (57, 3518263), (71, 2824521), (133, 1507827), (213, 941507), (399, 502609), (497, 403503), (1349, 148659), (1491, 134501), (4047, 49553), (7079, 28329), (9443, 21237)]