31593789

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{277}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 52041600

約数和(自身を除く): 20447811

約数列:

[1, 3, 9, 19, 23, 29, 57, 69, 87, 171, 207, 261, 277, 437, 551, 667, 831, 1311, 1653, 2001, 2493, 3933, 4959, 5263, 6003, 6371, 8033, 12673, 15789, 19113, 24099, 38019, 47367, 57339, 72297, 114057, 121049, 152627, 184759, 363147, 457881, 554277, 1089441, 1373643, 1662831, 3510421, 10531263, 31593789]

約数ペア:

[(1, 31593789), (3, 10531263), (9, 3510421), (19, 1662831), (23, 1373643), (29, 1089441), (57, 554277), (69, 457881), (87, 363147), (171, 184759), (207, 152627), (261, 121049), (277, 114057), (437, 72297), (551, 57339), (667, 47367), (831, 38019), (1311, 24099), (1653, 19113), (2001, 15789), (2493, 12673), (3933, 8033), (4959, 6371), (5263, 6003)]