66807139

素因数分解:

$7^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:216

約数の個数: 32

約数和(自身を含む): 82534400

約数和(自身を除く): 15727261

約数列:

[1, 7, 31, 49, 61, 103, 217, 343, 427, 721, 1519, 1891, 2989, 3193, 5047, 6283, 10633, 13237, 20923, 22351, 35329, 43981, 92659, 156457, 194773, 307867, 648613, 1095199, 1363411, 2155069, 9543877, 66807139]

約数ペア:

[(1, 66807139), (7, 9543877), (31, 2155069), (49, 1363411), (61, 1095199), (103, 648613), (217, 307867), (343, 194773), (427, 156457), (721, 92659), (1519, 43981), (1891, 35329), (2989, 22351), (3193, 20923), (5047, 13237), (6283, 10633)]