40381821

素因数分解:

$3^4\times {\mathrm{19}}^2\times {\mathrm{1381}}^1$

素因数の和:1431

約数の個数: 30

約数和(自身を含む): 63711582

約数和(自身を除く): 23329761

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 361, 513, 1083, 1381, 1539, 3249, 4143, 9747, 12429, 26239, 29241, 37287, 78717, 111861, 236151, 498541, 708453, 1495623, 2125359, 4486869, 13460607, 40381821]

約数ペア:

[(1, 40381821), (3, 13460607), (9, 4486869), (19, 2125359), (27, 1495623), (57, 708453), (81, 498541), (171, 236151), (361, 111861), (513, 78717), (1083, 37287), (1381, 29241), (1539, 26239), (3249, 12429), (4143, 9747)]