39195081

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 64209600

約数和(自身を除く): 25014519

約数列:

[1, 3, 9, 17, 19, 51, 57, 97, 139, 153, 171, 291, 323, 417, 873, 969, 1251, 1649, 1843, 2363, 2641, 2907, 4947, 5529, 7089, 7923, 13483, 14841, 16587, 21267, 23769, 31331, 40449, 44897, 93993, 121347, 134691, 229211, 256177, 281979, 404073, 687633, 768531, 2062899, 2305593, 4355009, 13065027, 39195081]

約数ペア:

[(1, 39195081), (3, 13065027), (9, 4355009), (17, 2305593), (19, 2062899), (51, 768531), (57, 687633), (97, 404073), (139, 281979), (153, 256177), (171, 229211), (291, 134691), (323, 121347), (417, 93993), (873, 44897), (969, 40449), (1251, 31331), (1649, 23769), (1843, 21267), (2363, 16587), (2641, 14841), (2907, 13483), (4947, 7923), (5529, 7089)]