7840179

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:105

約数の個数: 64

約数和(自身を含む): 13824000

約数和(自身を除く): 5983821

約数列:

[1, 3, 9, 17, 19, 27, 29, 31, 51, 57, 87, 93, 153, 171, 261, 279, 323, 459, 493, 513, 527, 551, 589, 783, 837, 899, 969, 1479, 1581, 1653, 1767, 2697, 2907, 4437, 4743, 4959, 5301, 8091, 8721, 9367, 10013, 13311, 14229, 14877, 15283, 15903, 17081, 24273, 28101, 30039, 45849, 51243, 84303, 90117, 137547, 153729, 252909, 270351, 290377, 412641, 461187, 871131, 2613393, 7840179]

約数ペア:

[(1, 7840179), (3, 2613393), (9, 871131), (17, 461187), (19, 412641), (27, 290377), (29, 270351), (31, 252909), (51, 153729), (57, 137547), (87, 90117), (93, 84303), (153, 51243), (171, 45849), (261, 30039), (279, 28101), (323, 24273), (459, 17081), (493, 15903), (513, 15283), (527, 14877), (551, 14229), (589, 13311), (783, 10013), (837, 9367), (899, 8721), (969, 8091), (1479, 5301), (1581, 4959), (1653, 4743), (1767, 4437), (2697, 2907)]