42389985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1291}}^1$

素因数の和:1509

約数の個数: 32

約数和(自身を含む): 74419200

約数和(自身を除く): 32029215

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 199, 597, 995, 1291, 2189, 2985, 3873, 6455, 6567, 10945, 14201, 19365, 32835, 42603, 71005, 213015, 256909, 770727, 1284545, 2825999, 3853635, 8477997, 14129995, 42389985]

約数ペア:

[(1, 42389985), (3, 14129995), (5, 8477997), (11, 3853635), (15, 2825999), (33, 1284545), (55, 770727), (165, 256909), (199, 213015), (597, 71005), (995, 42603), (1291, 32835), (2189, 19365), (2985, 14201), (3873, 10945), (6455, 6567)]