205065245

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{76091}}^1$

素因数の和:76121

約数の個数: 24

約数和(自身を含む): 312281568

約数和(自身を除く): 107216323

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 2695, 76091, 380455, 532637, 837001, 2663185, 3728459, 4185005, 5859007, 18642295, 29295035, 41013049, 205065245]

約数ペア:

[(1, 205065245), (5, 41013049), (7, 29295035), (11, 18642295), (35, 5859007), (49, 4185005), (55, 3728459), (77, 2663185), (245, 837001), (385, 532637), (539, 380455), (2695, 76091)]