31771065

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{313}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 52269696

約数和(自身を除く): 20498631

約数列:

[1, 3, 5, 15, 67, 101, 201, 303, 313, 335, 505, 939, 1005, 1515, 1565, 4695, 6767, 20301, 20971, 31613, 33835, 62913, 94839, 101505, 104855, 158065, 314565, 474195, 2118071, 6354213, 10590355, 31771065]

約数ペア:

[(1, 31771065), (3, 10590355), (5, 6354213), (15, 2118071), (67, 474195), (101, 314565), (201, 158065), (303, 104855), (313, 101505), (335, 94839), (505, 62913), (939, 33835), (1005, 31613), (1515, 20971), (1565, 20301), (4695, 6767)]