127138557

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:362

約数の個数: 64

約数和(自身を含む): 222494720

約数和(自身を除く): 95356163

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 127, 133, 193, 247, 273, 381, 399, 579, 741, 889, 1351, 1651, 1729, 2413, 2509, 2667, 3667, 4053, 4953, 5187, 7239, 7527, 11001, 11557, 16891, 17563, 24511, 25669, 31369, 34671, 47671, 50673, 52689, 73533, 77007, 94107, 143013, 171577, 219583, 318643, 333697, 465709, 514731, 658749, 955929, 1001091, 1397127, 2230501, 3259963, 6054217, 6691503, 9779889, 18162651, 42379519, 127138557]

約数ペア:

[(1, 127138557), (3, 42379519), (7, 18162651), (13, 9779889), (19, 6691503), (21, 6054217), (39, 3259963), (57, 2230501), (91, 1397127), (127, 1001091), (133, 955929), (193, 658749), (247, 514731), (273, 465709), (381, 333697), (399, 318643), (579, 219583), (741, 171577), (889, 143013), (1351, 94107), (1651, 77007), (1729, 73533), (2413, 52689), (2509, 50673), (2667, 47671), (3667, 34671), (4053, 31369), (4953, 25669), (5187, 24511), (7239, 17563), (7527, 16891), (11001, 11557)]