71001

素因数分解:

$3^2\times 7^3\times {\mathrm{23}}^1$

素因数の和:50

約数の個数: 24

約数和(自身を含む): 124800

約数和(自身を除く): 53799

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 343, 441, 483, 1029, 1127, 1449, 3087, 3381, 7889, 10143, 23667, 71001]

約数ペア:

[(1, 71001), (3, 23667), (7, 10143), (9, 7889), (21, 3381), (23, 3087), (49, 1449), (63, 1127), (69, 1029), (147, 483), (161, 441), (207, 343)]