31979907

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{193}}^1$

素因数の和:257

約数の個数: 48

約数和(自身を含む): 53218080

約数和(自身を除く): 21238173

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 153, 171, 193, 323, 361, 459, 513, 579, 969, 1083, 1737, 2907, 3249, 3281, 3667, 5211, 6137, 8721, 9747, 9843, 11001, 18411, 29529, 33003, 55233, 62339, 69673, 88587, 99009, 165699, 187017, 209019, 561051, 627057, 1184441, 1683153, 1881171, 3553323, 10659969, 31979907]

約数ペア:

[(1, 31979907), (3, 10659969), (9, 3553323), (17, 1881171), (19, 1683153), (27, 1184441), (51, 627057), (57, 561051), (153, 209019), (171, 187017), (193, 165699), (323, 99009), (361, 88587), (459, 69673), (513, 62339), (579, 55233), (969, 33003), (1083, 29529), (1737, 18411), (2907, 11001), (3249, 9843), (3281, 9747), (3667, 8721), (5211, 6137)]