2389653

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{457}}^1$

素因数の和:553

約数の個数: 24

約数和(自身を含む): 4001088

約数和(自身を除く): 1611435

約数列:

[1, 3, 7, 9, 21, 63, 83, 249, 457, 581, 747, 1371, 1743, 3199, 4113, 5229, 9597, 28791, 37931, 113793, 265517, 341379, 796551, 2389653]

約数ペア:

[(1, 2389653), (3, 796551), (7, 341379), (9, 265517), (21, 113793), (63, 37931), (83, 28791), (249, 9597), (457, 5229), (581, 4113), (747, 3199), (1371, 1743)]