2987985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 6451200

約数和(自身を除く): 3463215

約数列:

[1, 3, 5, 7, 11, 13, 15, 21, 33, 35, 39, 55, 65, 77, 91, 105, 143, 165, 195, 199, 231, 273, 385, 429, 455, 597, 715, 995, 1001, 1155, 1365, 1393, 2145, 2189, 2587, 2985, 3003, 4179, 5005, 6567, 6965, 7761, 10945, 12935, 15015, 15323, 18109, 20895, 28457, 32835, 38805, 45969, 54327, 76615, 85371, 90545, 142285, 199199, 229845, 271635, 426855, 597597, 995995, 2987985]

約数ペア:

[(1, 2987985), (3, 995995), (5, 597597), (7, 426855), (11, 271635), (13, 229845), (15, 199199), (21, 142285), (33, 90545), (35, 85371), (39, 76615), (55, 54327), (65, 45969), (77, 38805), (91, 32835), (105, 28457), (143, 20895), (165, 18109), (195, 15323), (199, 15015), (231, 12935), (273, 10945), (385, 7761), (429, 6965), (455, 6567), (597, 5005), (715, 4179), (995, 3003), (1001, 2985), (1155, 2587), (1365, 2189), (1393, 2145)]