201191985

素因数分解:

$3^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{7489}}^1$

素因数の和:7702

約数の個数: 32

約数和(自身を含む): 359520000

約数和(自身を除く): 158328015

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 199, 597, 995, 1791, 2985, 5373, 7489, 8955, 22467, 26865, 37445, 67401, 112335, 202203, 337005, 1011015, 1490311, 4470933, 7451555, 13412799, 22354665, 40238397, 67063995, 201191985]

約数ペア:

[(1, 201191985), (3, 67063995), (5, 40238397), (9, 22354665), (15, 13412799), (27, 7451555), (45, 4470933), (135, 1490311), (199, 1011015), (597, 337005), (995, 202203), (1791, 112335), (2985, 67401), (5373, 37445), (7489, 26865), (8955, 22467)]