28441017

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:211

約数の個数: 64

約数和(自身を含む): 50181120

約数和(自身を除く): 21740103

約数列:

[1, 3, 9, 11, 17, 27, 33, 43, 51, 99, 129, 131, 153, 187, 297, 387, 393, 459, 473, 561, 731, 1161, 1179, 1419, 1441, 1683, 2193, 2227, 3537, 4257, 4323, 5049, 5633, 6579, 6681, 8041, 12771, 12969, 16899, 19737, 20043, 24123, 24497, 38907, 50697, 60129, 61963, 72369, 73491, 95761, 152091, 185889, 217107, 220473, 287283, 557667, 661419, 861849, 1053371, 1673001, 2585547, 3160113, 9480339, 28441017]

約数ペア:

[(1, 28441017), (3, 9480339), (9, 3160113), (11, 2585547), (17, 1673001), (27, 1053371), (33, 861849), (43, 661419), (51, 557667), (99, 287283), (129, 220473), (131, 217107), (153, 185889), (187, 152091), (297, 95761), (387, 73491), (393, 72369), (459, 61963), (473, 60129), (561, 50697), (731, 38907), (1161, 24497), (1179, 24123), (1419, 20043), (1441, 19737), (1683, 16899), (2193, 12969), (2227, 12771), (3537, 8041), (4257, 6681), (4323, 6579), (5049, 5633)]