13156941

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 21833280

約数和(自身を除く): 8676339

約数列:

[1, 3, 7, 21, 37, 41, 49, 59, 111, 123, 147, 177, 259, 287, 413, 777, 861, 1239, 1517, 1813, 2009, 2183, 2419, 2891, 4551, 5439, 6027, 6549, 7257, 8673, 10619, 15281, 16933, 31857, 45843, 50799, 74333, 89503, 106967, 118531, 222999, 268509, 320901, 355593, 626521, 1879563, 4385647, 13156941]

約数ペア:

[(1, 13156941), (3, 4385647), (7, 1879563), (21, 626521), (37, 355593), (41, 320901), (49, 268509), (59, 222999), (111, 118531), (123, 106967), (147, 89503), (177, 74333), (259, 50799), (287, 45843), (413, 31857), (777, 16933), (861, 15281), (1239, 10619), (1517, 8673), (1813, 7257), (2009, 6549), (2183, 6027), (2419, 5439), (2891, 4551)]