643454145

素因数分解:

$3^3\times 5^1\times {\mathrm{1543}}^1\times {\mathrm{3089}}^1$

素因数の和:4646

約数の個数: 32

約数和(自身を含む): 1145030400

約数和(自身を除く): 501576255

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1543, 3089, 4629, 7715, 9267, 13887, 15445, 23145, 27801, 41661, 46335, 69435, 83403, 139005, 208305, 417015, 4766327, 14298981, 23831635, 42896943, 71494905, 128690829, 214484715, 643454145]

約数ペア:

[(1, 643454145), (3, 214484715), (5, 128690829), (9, 71494905), (15, 42896943), (27, 23831635), (45, 14298981), (135, 4766327), (1543, 417015), (3089, 208305), (4629, 139005), (7715, 83403), (9267, 69435), (13887, 46335), (15445, 41661), (23145, 27801)]