687568689

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{15443}}^1$

素因数の和:15566

約数の個数: 32

約数和(自身を含む): 1089728640

約数和(自身を除く): 402159951

約数列:

[1, 3, 9, 17, 27, 51, 97, 153, 291, 459, 873, 1649, 2619, 4947, 14841, 15443, 44523, 46329, 138987, 262531, 416961, 787593, 1497971, 2362779, 4493913, 7088337, 13481739, 25465507, 40445217, 76396521, 229189563, 687568689]

約数ペア:

[(1, 687568689), (3, 229189563), (9, 76396521), (17, 40445217), (27, 25465507), (51, 13481739), (97, 7088337), (153, 4493913), (291, 2362779), (459, 1497971), (873, 787593), (1649, 416961), (2619, 262531), (4947, 138987), (14841, 46329), (15443, 44523)]