12791871

素因数分解:

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

素因数の和:117

約数の個数: 48

約数和(自身を含む): 21448800

約数和(自身を除く): 8656929

約数列:

[1, 3, 9, 17, 27, 29, 31, 51, 87, 93, 153, 261, 279, 459, 493, 527, 783, 837, 899, 961, 1479, 1581, 2697, 2883, 4437, 4743, 8091, 8649, 13311, 14229, 15283, 16337, 24273, 25947, 27869, 45849, 49011, 83607, 137547, 147033, 250821, 412641, 441099, 473773, 752463, 1421319, 4263957, 12791871]

約数ペア:

[(1, 12791871), (3, 4263957), (9, 1421319), (17, 752463), (27, 473773), (29, 441099), (31, 412641), (51, 250821), (87, 147033), (93, 137547), (153, 83607), (261, 49011), (279, 45849), (459, 27869), (493, 25947), (527, 24273), (783, 16337), (837, 15283), (899, 14229), (961, 13311), (1479, 8649), (1581, 8091), (2697, 4743), (2883, 4437)]