1253649717

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{910421}}^1$

素因数の和:910450

約数の個数: 20

約数和(自身を含む): 1982899116

約数和(自身を除く): 729249399

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 910421, 2731263, 8193789, 15477157, 24581367, 46431471, 73744101, 139294413, 417883239, 1253649717]

約数ペア:

[(1, 1253649717), (3, 417883239), (9, 139294413), (17, 73744101), (27, 46431471), (51, 24581367), (81, 15477157), (153, 8193789), (459, 2731263), (1377, 910421)]