67991091

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1471}}^1$

素因数の和:1583

約数の個数: 32

約数和(自身を含む): 108527616

約数和(自身を除く): 40536525

約数列:

[1, 3, 7, 21, 31, 71, 93, 213, 217, 497, 651, 1471, 1491, 2201, 4413, 6603, 10297, 15407, 30891, 45601, 46221, 104441, 136803, 313323, 319207, 731087, 957621, 2193261, 3237671, 9713013, 22663697, 67991091]

約数ペア:

[(1, 67991091), (3, 22663697), (7, 9713013), (21, 3237671), (31, 2193261), (71, 957621), (93, 731087), (213, 319207), (217, 313323), (497, 136803), (651, 104441), (1471, 46221), (1491, 45601), (2201, 30891), (4413, 15407), (6603, 10297)]