28567089

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 47623680

約数和(自身を除く): 19056591

約数列:

[1, 3, 9, 17, 19, 31, 51, 57, 93, 153, 171, 279, 317, 323, 527, 589, 951, 969, 1581, 1767, 2853, 2907, 4743, 5301, 5389, 6023, 9827, 10013, 16167, 18069, 29481, 30039, 48501, 54207, 88443, 90117, 102391, 167059, 186713, 307173, 501177, 560139, 921519, 1503531, 1680417, 3174121, 9522363, 28567089]

約数ペア:

[(1, 28567089), (3, 9522363), (9, 3174121), (17, 1680417), (19, 1503531), (31, 921519), (51, 560139), (57, 501177), (93, 307173), (153, 186713), (171, 167059), (279, 102391), (317, 90117), (323, 88443), (527, 54207), (589, 48501), (951, 30039), (969, 29481), (1581, 18069), (1767, 16167), (2853, 10013), (2907, 9827), (4743, 6023), (5301, 5389)]