311919777

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{433}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 500467968

約数和(自身を除く): 188548191

約数列:

[1, 3, 9, 13, 39, 47, 117, 131, 141, 393, 423, 433, 611, 1179, 1299, 1703, 1833, 3897, 5109, 5499, 5629, 6157, 15327, 16887, 18471, 20351, 50661, 55413, 56723, 61053, 80041, 170169, 183159, 240123, 264563, 510507, 720369, 737399, 793689, 2212197, 2381067, 2665981, 6636591, 7997943, 23993829, 34657753, 103973259, 311919777]

約数ペア:

[(1, 311919777), (3, 103973259), (9, 34657753), (13, 23993829), (39, 7997943), (47, 6636591), (117, 2665981), (131, 2381067), (141, 2212197), (393, 793689), (423, 737399), (433, 720369), (611, 510507), (1179, 264563), (1299, 240123), (1703, 183159), (1833, 170169), (3897, 80041), (5109, 61053), (5499, 56723), (5629, 55413), (6157, 50661), (15327, 20351), (16887, 18471)]