211168971

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{2141}}^1$

素因数の和:2444

約数の個数: 32

約数和(自身を含む): 338264640

約数和(自身を除く): 127095669

約数列:

[1, 3, 9, 13, 27, 39, 117, 281, 351, 843, 2141, 2529, 3653, 6423, 7587, 10959, 19269, 27833, 32877, 57807, 83499, 98631, 250497, 601621, 751491, 1804863, 5414589, 7821073, 16243767, 23463219, 70389657, 211168971]

約数ペア:

[(1, 211168971), (3, 70389657), (9, 23463219), (13, 16243767), (27, 7821073), (39, 5414589), (117, 1804863), (281, 751491), (351, 601621), (843, 250497), (2141, 98631), (2529, 83499), (3653, 57807), (6423, 32877), (7587, 27833), (10959, 19269)]