31140693

素因数分解:

$3^7\times {\mathrm{29}}^1\times {\mathrm{491}}^1$

素因数の和:541

約数の個数: 32

約数和(自身を含む): 48412800

約数和(自身を除く): 17272107

約数列:

[1, 3, 9, 27, 29, 81, 87, 243, 261, 491, 729, 783, 1473, 2187, 2349, 4419, 7047, 13257, 14239, 21141, 39771, 42717, 63423, 119313, 128151, 357939, 384453, 1073817, 1153359, 3460077, 10380231, 31140693]

約数ペア:

[(1, 31140693), (3, 10380231), (9, 3460077), (27, 1153359), (29, 1073817), (81, 384453), (87, 357939), (243, 128151), (261, 119313), (491, 63423), (729, 42717), (783, 39771), (1473, 21141), (2187, 14239), (2349, 13257), (4419, 7047)]