31896891

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:412

約数の個数: 36

約数和(自身を含む): 50796408

約数和(自身を除く): 18899517

約数列:

[1, 3, 9, 13, 39, 67, 117, 169, 201, 313, 507, 603, 871, 939, 1521, 2613, 2817, 4069, 7839, 11323, 12207, 20971, 33969, 36621, 52897, 62913, 101907, 158691, 188739, 272623, 476073, 817869, 2453607, 3544099, 10632297, 31896891]

約数ペア:

[(1, 31896891), (3, 10632297), (9, 3544099), (13, 2453607), (39, 817869), (67, 476073), (117, 272623), (169, 188739), (201, 158691), (313, 101907), (507, 62913), (603, 52897), (871, 36621), (939, 33969), (1521, 20971), (2613, 12207), (2817, 11323), (4069, 7839)]