991356003

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{65449}}^1$

素因数の和:65489

約数の個数: 40

約数和(自身を含む): 1710601200

約数和(自身を除く): 719245197

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 81, 99, 153, 187, 297, 459, 561, 891, 1377, 1683, 5049, 15147, 65449, 196347, 589041, 719939, 1112633, 1767123, 2159817, 3337899, 5301369, 6479451, 10013697, 12238963, 19438353, 30041091, 36716889, 58315059, 90123273, 110150667, 330452001, 991356003]

約数ペア:

[(1, 991356003), (3, 330452001), (9, 110150667), (11, 90123273), (17, 58315059), (27, 36716889), (33, 30041091), (51, 19438353), (81, 12238963), (99, 10013697), (153, 6479451), (187, 5301369), (297, 3337899), (459, 2159817), (561, 1767123), (891, 1112633), (1377, 719939), (1683, 589041), (5049, 196347), (15147, 65449)]