2957955

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1$

素因数の和:236

約数の個数: 64

約数和(自身を含む): 6386688

約数和(自身を除く): 3428733

約数列:

[1, 3, 5, 7, 11, 13, 15, 21, 33, 35, 39, 55, 65, 77, 91, 105, 143, 165, 195, 197, 231, 273, 385, 429, 455, 591, 715, 985, 1001, 1155, 1365, 1379, 2145, 2167, 2561, 2955, 3003, 4137, 5005, 6501, 6895, 7683, 10835, 12805, 15015, 15169, 17927, 20685, 28171, 32505, 38415, 45507, 53781, 75845, 84513, 89635, 140855, 197197, 227535, 268905, 422565, 591591, 985985, 2957955]

約数ペア:

[(1, 2957955), (3, 985985), (5, 591591), (7, 422565), (11, 268905), (13, 227535), (15, 197197), (21, 140855), (33, 89635), (35, 84513), (39, 75845), (55, 53781), (65, 45507), (77, 38415), (91, 32505), (105, 28171), (143, 20685), (165, 17927), (195, 15169), (197, 15015), (231, 12805), (273, 10835), (385, 7683), (429, 6895), (455, 6501), (591, 5005), (715, 4137), (985, 3003), (1001, 2955), (1155, 2561), (1365, 2167), (1379, 2145)]