208320177

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{3271}}^1$

素因数の和:3381

約数の個数: 32

約数和(自身を含む): 316624896

約数和(自身を除く): 108304719

約数列:

[1, 3, 13, 23, 39, 69, 71, 213, 299, 897, 923, 1633, 2769, 3271, 4899, 9813, 21229, 42523, 63687, 75233, 127569, 225699, 232241, 696723, 978029, 2934087, 3019133, 5341543, 9057399, 16024629, 69440059, 208320177]

約数ペア:

[(1, 208320177), (3, 69440059), (13, 16024629), (23, 9057399), (39, 5341543), (69, 3019133), (71, 2934087), (213, 978029), (299, 696723), (897, 232241), (923, 225699), (1633, 127569), (2769, 75233), (3271, 63687), (4899, 42523), (9813, 21229)]