865874889

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{1283}}^1$

素因数の和:1718

約数の個数: 48

約数和(自身を含む): 1449399744

約数和(自身を除く): 583524855

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 401, 561, 1203, 1283, 1683, 3609, 3849, 4411, 6817, 11547, 13233, 14113, 20451, 21811, 39699, 42339, 61353, 65433, 74987, 127017, 196299, 224961, 239921, 514483, 674883, 719763, 1543449, 2159289, 4630347, 5659313, 8746211, 16977939, 26238633, 50933817, 78715899, 96208321, 288624963, 865874889]

約数ペア:

[(1, 865874889), (3, 288624963), (9, 96208321), (11, 78715899), (17, 50933817), (33, 26238633), (51, 16977939), (99, 8746211), (153, 5659313), (187, 4630347), (401, 2159289), (561, 1543449), (1203, 719763), (1283, 674883), (1683, 514483), (3609, 239921), (3849, 224961), (4411, 196299), (6817, 127017), (11547, 74987), (13233, 65433), (14113, 61353), (20451, 42339), (21811, 39699)]