165730185

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^2$

素因数の和:443

約数の個数: 48

約数和(自身を含む): 305671680

約数和(自身を除く): 139941495

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 199, 279, 465, 597, 837, 995, 1395, 1791, 2985, 4185, 5373, 6169, 8955, 18507, 26865, 30845, 39601, 55521, 92535, 118803, 166563, 198005, 277605, 356409, 594015, 832815, 1069227, 1227631, 1782045, 3682893, 5346135, 6138155, 11048679, 18414465, 33146037, 55243395, 165730185]

約数ペア:

[(1, 165730185), (3, 55243395), (5, 33146037), (9, 18414465), (15, 11048679), (27, 6138155), (31, 5346135), (45, 3682893), (93, 1782045), (135, 1227631), (155, 1069227), (199, 832815), (279, 594015), (465, 356409), (597, 277605), (837, 198005), (995, 166563), (1395, 118803), (1791, 92535), (2985, 55521), (4185, 39601), (5373, 30845), (6169, 26865), (8955, 18507)]