39878307

素因数分解:

$3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2917}}^1$

素因数の和:2968

約数の個数: 36

約数和(自身を含む): 69191616

約数和(自身を除く): 29313309

約数列:

[1, 3, 7, 9, 21, 31, 49, 63, 93, 147, 217, 279, 441, 651, 1519, 1953, 2917, 4557, 8751, 13671, 20419, 26253, 61257, 90427, 142933, 183771, 271281, 428799, 632989, 813843, 1286397, 1898967, 4430923, 5696901, 13292769, 39878307]

約数ペア:

[(1, 39878307), (3, 13292769), (7, 5696901), (9, 4430923), (21, 1898967), (31, 1286397), (49, 813843), (63, 632989), (93, 428799), (147, 271281), (217, 183771), (279, 142933), (441, 90427), (651, 61257), (1519, 26253), (1953, 20419), (2917, 13671), (4557, 8751)]