31903929

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{811}}^1$

素因数の和:898

約数の個数: 32

約数和(自身を含む): 49889280

約数和(自身を除く): 17985351

約数列:

[1, 3, 9, 27, 31, 47, 93, 141, 279, 423, 811, 837, 1269, 1457, 2433, 4371, 7299, 13113, 21897, 25141, 38117, 39339, 75423, 114351, 226269, 343053, 678807, 1029159, 1181627, 3544881, 10634643, 31903929]

約数ペア:

[(1, 31903929), (3, 10634643), (9, 3544881), (27, 1181627), (31, 1029159), (47, 678807), (93, 343053), (141, 226269), (279, 114351), (423, 75423), (811, 39339), (837, 38117), (1269, 25141), (1457, 21897), (2433, 13113), (4371, 7299)]