287202879

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3187}}^1$

素因数の和:3260

約数の個数: 48

約数和(自身を含む): 477434880

約数和(自身を除く): 190232001

約数列:

[1, 3, 9, 17, 19, 31, 51, 57, 93, 153, 171, 279, 323, 527, 589, 969, 1581, 1767, 2907, 3187, 4743, 5301, 9561, 10013, 28683, 30039, 54179, 60553, 90117, 98797, 162537, 181659, 296391, 487611, 544977, 889173, 1029401, 1679549, 1877143, 3088203, 5038647, 5631429, 9264609, 15115941, 16894287, 31911431, 95734293, 287202879]

約数ペア:

[(1, 287202879), (3, 95734293), (9, 31911431), (17, 16894287), (19, 15115941), (31, 9264609), (51, 5631429), (57, 5038647), (93, 3088203), (153, 1877143), (171, 1679549), (279, 1029401), (323, 889173), (527, 544977), (589, 487611), (969, 296391), (1581, 181659), (1767, 162537), (2907, 98797), (3187, 90117), (4743, 60553), (5301, 54179), (9561, 30039), (10013, 28683)]