31113549

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 49870080

約数和(自身を除く): 18756531

約数列:

[1, 3, 9, 23, 29, 69, 71, 73, 87, 207, 213, 219, 261, 639, 657, 667, 1633, 1679, 2001, 2059, 2117, 4899, 5037, 5183, 6003, 6177, 6351, 14697, 15111, 15549, 18531, 19053, 46647, 47357, 48691, 119209, 142071, 146073, 150307, 357627, 426213, 438219, 450921, 1072881, 1352763, 3457061, 10371183, 31113549]

約数ペア:

[(1, 31113549), (3, 10371183), (9, 3457061), (23, 1352763), (29, 1072881), (69, 450921), (71, 438219), (73, 426213), (87, 357627), (207, 150307), (213, 146073), (219, 142071), (261, 119209), (639, 48691), (657, 47357), (667, 46647), (1633, 19053), (1679, 18531), (2001, 15549), (2059, 15111), (2117, 14697), (4899, 6351), (5037, 6177), (5183, 6003)]