2622879

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 4792320

約数和(自身を除く): 2169441

約数列:

[1, 3, 7, 9, 17, 21, 31, 51, 63, 79, 93, 119, 153, 217, 237, 279, 357, 527, 553, 651, 711, 1071, 1343, 1581, 1659, 1953, 2449, 3689, 4029, 4743, 4977, 7347, 9401, 11067, 12087, 17143, 22041, 28203, 33201, 41633, 51429, 84609, 124899, 154287, 291431, 374697, 874293, 2622879]

約数ペア:

[(1, 2622879), (3, 874293), (7, 374697), (9, 291431), (17, 154287), (21, 124899), (31, 84609), (51, 51429), (63, 41633), (79, 33201), (93, 28203), (119, 22041), (153, 17143), (217, 12087), (237, 11067), (279, 9401), (357, 7347), (527, 4977), (553, 4743), (651, 4029), (711, 3689), (1071, 2449), (1343, 1953), (1581, 1659)]