27021043

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{421}}^1$

素因数の和:654

約数の個数: 16

約数和(自身を含む): 31720896

約数和(自身を除く): 4699853

約数列:

[1, 7, 53, 173, 371, 421, 1211, 2947, 9169, 22313, 64183, 72833, 156191, 509831, 3860149, 27021043]

約数ペア:

[(1, 27021043), (7, 3860149), (53, 509831), (173, 156191), (371, 72833), (421, 64183), (1211, 22313), (2947, 9169)]