289917549

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{115459}}^1$

素因数の和:115502

約数の個数: 20

約数和(自身を含む): 447061120

約数和(自身を除く): 157143571

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 115459, 346377, 1039131, 3117393, 3579229, 9352179, 10737687, 32213061, 96639183, 289917549]

約数ペア:

[(1, 289917549), (3, 96639183), (9, 32213061), (27, 10737687), (31, 9352179), (81, 3579229), (93, 3117393), (279, 1039131), (837, 346377), (2511, 115459)]