1403215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{823}}^1$

素因数の和:870

約数の個数: 16

約数和(自身を含む): 1898496

約数和(自身を除く): 495281

約数列:

[1, 5, 11, 31, 55, 155, 341, 823, 1705, 4115, 9053, 25513, 45265, 127565, 280643, 1403215]

約数ペア:

[(1, 1403215), (5, 280643), (11, 127565), (31, 45265), (55, 25513), (155, 9053), (341, 4115), (823, 1705)]