31057263

素因数分解:

$3^4\times {\mathrm{457}}^1\times {\mathrm{839}}^1$

素因数の和:1308

約数の個数: 20

約数和(自身を含む): 46551120

約数和(自身を除く): 15493857

約数列:

[1, 3, 9, 27, 81, 457, 839, 1371, 2517, 4113, 7551, 12339, 22653, 37017, 67959, 383423, 1150269, 3450807, 10352421, 31057263]

約数ペア:

[(1, 31057263), (3, 10352421), (9, 3450807), (27, 1150269), (81, 383423), (457, 67959), (839, 37017), (1371, 22653), (2517, 12339), (4113, 7551)]