1397115

素因数分解:

$3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:224

約数の個数: 32

約数和(自身を含む): 2534400

約数和(自身を除く): 1137285

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 131, 135, 237, 393, 395, 655, 711, 1179, 1185, 1965, 2133, 3537, 3555, 5895, 10349, 10665, 17685, 31047, 51745, 93141, 155235, 279423, 465705, 1397115]

約数ペア:

[(1, 1397115), (3, 465705), (5, 279423), (9, 155235), (15, 93141), (27, 51745), (45, 31047), (79, 17685), (131, 10665), (135, 10349), (237, 5895), (393, 3555), (395, 3537), (655, 2133), (711, 1965), (1179, 1185)]