2904405

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 5376000

約数和(自身を除く): 2471595

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 139, 199, 417, 597, 695, 973, 995, 1393, 2085, 2919, 2985, 4179, 4865, 6965, 14595, 20895, 27661, 82983, 138305, 193627, 414915, 580881, 968135, 2904405]

約数ペア:

[(1, 2904405), (3, 968135), (5, 580881), (7, 414915), (15, 193627), (21, 138305), (35, 82983), (105, 27661), (139, 20895), (199, 14595), (417, 6965), (597, 4865), (695, 4179), (973, 2985), (995, 2919), (1393, 2085)]