67890025

素因数分解:

$5^2\times 7^1\times {\mathrm{227}}^1\times {\mathrm{1709}}^1$

素因数の和:1953

約数の個数: 24

約数和(自身を含む): 96690240

約数和(自身を除く): 28800215

約数列:

[1, 5, 7, 25, 35, 175, 227, 1135, 1589, 1709, 5675, 7945, 8545, 11963, 39725, 42725, 59815, 299075, 387943, 1939715, 2715601, 9698575, 13578005, 67890025]

約数ペア:

[(1, 67890025), (5, 13578005), (7, 9698575), (25, 2715601), (35, 1939715), (175, 387943), (227, 299075), (1135, 59815), (1589, 42725), (1709, 39725), (5675, 11963), (7945, 8545)]