28747323

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:113

約数の個数: 96

約数和(自身を含む): 53913600

約数和(自身を除く): 25166277

約数列:

[1, 3, 9, 11, 17, 19, 29, 31, 33, 51, 57, 87, 93, 99, 153, 171, 187, 209, 261, 279, 319, 323, 341, 493, 527, 551, 561, 589, 627, 899, 957, 969, 1023, 1479, 1581, 1653, 1683, 1767, 1881, 2697, 2871, 2907, 3069, 3553, 4437, 4743, 4959, 5301, 5423, 5797, 6061, 6479, 8091, 9367, 9889, 10013, 10659, 15283, 16269, 17081, 17391, 18183, 19437, 28101, 29667, 30039, 31977, 45849, 48807, 51243, 52173, 54549, 58311, 84303, 89001, 90117, 103037, 110143, 137547, 153729, 168113, 187891, 290377, 309111, 330429, 504339, 563673, 871131, 927333, 991287, 1513017, 1691019, 2613393, 3194147, 9582441, 28747323]

約数ペア:

[(1, 28747323), (3, 9582441), (9, 3194147), (11, 2613393), (17, 1691019), (19, 1513017), (29, 991287), (31, 927333), (33, 871131), (51, 563673), (57, 504339), (87, 330429), (93, 309111), (99, 290377), (153, 187891), (171, 168113), (187, 153729), (209, 137547), (261, 110143), (279, 103037), (319, 90117), (323, 89001), (341, 84303), (493, 58311), (527, 54549), (551, 52173), (561, 51243), (589, 48807), (627, 45849), (899, 31977), (957, 30039), (969, 29667), (1023, 28101), (1479, 19437), (1581, 18183), (1653, 17391), (1683, 17081), (1767, 16269), (1881, 15283), (2697, 10659), (2871, 10013), (2907, 9889), (3069, 9367), (3553, 8091), (4437, 6479), (4743, 6061), (4959, 5797), (5301, 5423)]