72207213

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{293}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 106686720

約数和(自身を除く): 34479507

約数列:

[1, 3, 13, 39, 71, 89, 213, 267, 293, 879, 923, 1157, 2769, 3471, 3809, 6319, 11427, 18957, 20803, 26077, 62409, 78231, 82147, 246441, 270439, 339001, 811317, 1017003, 1851467, 5554401, 24069071, 72207213]

約数ペア:

[(1, 72207213), (3, 24069071), (13, 5554401), (39, 1851467), (71, 1017003), (89, 811317), (213, 339001), (267, 270439), (293, 246441), (879, 82147), (923, 78231), (1157, 62409), (2769, 26077), (3471, 20803), (3809, 18957), (6319, 11427)]