259697985

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{199}}^1\times {\mathrm{241}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 442569600

約数和(自身を除く): 182871615

約数列:

[1, 3, 5, 15, 19, 57, 95, 199, 241, 285, 361, 597, 723, 995, 1083, 1205, 1805, 2985, 3615, 3781, 4579, 5415, 11343, 13737, 18905, 22895, 47959, 56715, 68685, 71839, 87001, 143877, 215517, 239795, 261003, 359195, 435005, 719385, 911221, 1077585, 1305015, 2733663, 4556105, 13668315, 17313199, 51939597, 86565995, 259697985]

約数ペア:

[(1, 259697985), (3, 86565995), (5, 51939597), (15, 17313199), (19, 13668315), (57, 4556105), (95, 2733663), (199, 1305015), (241, 1077585), (285, 911221), (361, 719385), (597, 435005), (723, 359195), (995, 261003), (1083, 239795), (1205, 215517), (1805, 143877), (2985, 87001), (3615, 71839), (3781, 68685), (4579, 56715), (5415, 47959), (11343, 22895), (13737, 18905)]