205123737

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{9511}}^1$

素因数の和:9613

約数の個数: 32

約数和(自身を含む): 340910080

約数和(自身を除く): 135786343

約数列:

[1, 3, 7, 13, 21, 39, 79, 91, 237, 273, 553, 1027, 1659, 3081, 7189, 9511, 21567, 28533, 66577, 123643, 199731, 370929, 751369, 865501, 2254107, 2596503, 5259583, 9767797, 15778749, 29303391, 68374579, 205123737]

約数ペア:

[(1, 205123737), (3, 68374579), (7, 29303391), (13, 15778749), (21, 9767797), (39, 5259583), (79, 2596503), (91, 2254107), (237, 865501), (273, 751369), (553, 370929), (1027, 199731), (1659, 123643), (3081, 66577), (7189, 28533), (9511, 21567)]