131445477

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{997}}^1$

素因数の和:1282

約数の個数: 32

約数和(自身を含む): 205987200

約数和(自身を除く): 74541723

約数列:

[1, 3, 9, 19, 27, 57, 171, 257, 513, 771, 997, 2313, 2991, 4883, 6939, 8973, 14649, 18943, 26919, 43947, 56829, 131841, 170487, 256229, 511461, 768687, 2306061, 4868351, 6918183, 14605053, 43815159, 131445477]

約数ペア:

[(1, 131445477), (3, 43815159), (9, 14605053), (19, 6918183), (27, 4868351), (57, 2306061), (171, 768687), (257, 511461), (513, 256229), (771, 170487), (997, 131841), (2313, 56829), (2991, 43947), (4883, 26919), (6939, 18943), (8973, 14649)]