897799497

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{313}}^1\times {\mathrm{997}}^1$

素因数の和:1457

約数の個数: 32

約数和(自身を含む): 1383850752

約数和(自身を除く): 486051255

約数列:

[1, 3, 7, 21, 137, 313, 411, 939, 959, 997, 2191, 2877, 2991, 6573, 6979, 20937, 42881, 128643, 136589, 300167, 312061, 409767, 900501, 936183, 956123, 2184427, 2868369, 6553281, 42752357, 128257071, 299266499, 897799497]

約数ペア:

[(1, 897799497), (3, 299266499), (7, 128257071), (21, 42752357), (137, 6553281), (313, 2868369), (411, 2184427), (939, 956123), (959, 936183), (997, 900501), (2191, 409767), (2877, 312061), (2991, 300167), (6573, 136589), (6979, 128643), (20937, 42881)]