201563781

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{359}}^1$

素因数の和:589

約数の個数: 32

約数和(自身を含む): 290822400

約数和(自身を除く): 89258619

約数列:

[1, 3, 17, 51, 101, 109, 303, 327, 359, 1077, 1717, 1853, 5151, 5559, 6103, 11009, 18309, 33027, 36259, 39131, 108777, 117393, 187153, 561459, 616403, 665227, 1849209, 1995681, 3952231, 11856693, 67187927, 201563781]

約数ペア:

[(1, 201563781), (3, 67187927), (17, 11856693), (51, 3952231), (101, 1995681), (109, 1849209), (303, 665227), (327, 616403), (359, 561459), (1077, 187153), (1717, 117393), (1853, 108777), (5151, 39131), (5559, 36259), (6103, 33027), (11009, 18309)]