16851879

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:101

約数の個数: 72

約数和(自身を含む): 30650880

約数和(自身を除く): 13799001

約数列:

[1, 3, 9, 11, 17, 19, 31, 33, 51, 57, 93, 99, 153, 171, 187, 209, 279, 289, 323, 341, 527, 561, 589, 627, 867, 969, 1023, 1581, 1683, 1767, 1881, 2601, 2907, 3069, 3179, 3553, 4743, 5301, 5491, 5797, 6479, 8959, 9537, 10013, 10659, 16473, 17391, 19437, 26877, 28611, 30039, 31977, 49419, 52173, 58311, 60401, 80631, 90117, 98549, 110143, 170221, 181203, 295647, 330429, 510663, 543609, 886941, 991287, 1531989, 1872431, 5617293, 16851879]

約数ペア:

[(1, 16851879), (3, 5617293), (9, 1872431), (11, 1531989), (17, 991287), (19, 886941), (31, 543609), (33, 510663), (51, 330429), (57, 295647), (93, 181203), (99, 170221), (153, 110143), (171, 98549), (187, 90117), (209, 80631), (279, 60401), (289, 58311), (323, 52173), (341, 49419), (527, 31977), (561, 30039), (589, 28611), (627, 26877), (867, 19437), (969, 17391), (1023, 16473), (1581, 10659), (1683, 10013), (1767, 9537), (1881, 8959), (2601, 6479), (2907, 5797), (3069, 5491), (3179, 5301), (3553, 4743)]