6981275

素因数分解:

$5^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:204

約数の個数: 36

約数和(自身を含む): 10389960

約数和(自身を除く): 3408685

約数列:

[1, 5, 7, 25, 35, 41, 49, 139, 175, 205, 245, 287, 695, 973, 1025, 1225, 1435, 2009, 3475, 4865, 5699, 6811, 7175, 10045, 24325, 28495, 34055, 39893, 50225, 142475, 170275, 199465, 279251, 997325, 1396255, 6981275]

約数ペア:

[(1, 6981275), (5, 1396255), (7, 997325), (25, 279251), (35, 199465), (41, 170275), (49, 142475), (139, 50225), (175, 39893), (205, 34055), (245, 28495), (287, 24325), (695, 10045), (973, 7175), (1025, 6811), (1225, 5699), (1435, 4865), (2009, 3475)]