20161931997

素因数分解:

$3^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{3209}}^1$

素因数の和:3402

約数の個数: 48

約数和(自身を含む): 29140534080

約数和(自身を除く): 8978602083

約数列:

[1, 3, 23, 37, 69, 107, 111, 321, 529, 851, 1587, 2461, 2553, 3209, 3959, 7383, 9627, 11877, 19573, 56603, 58719, 73807, 91057, 118733, 169809, 221421, 273171, 343363, 356199, 1030089, 1697561, 2094311, 2730859, 5092683, 6282933, 7897349, 8192577, 12704431, 23692047, 38113293, 62809757, 181639027, 188429271, 292201913, 544917081, 876605739, 6720643999, 20161931997]

約数ペア:

[(1, 20161931997), (3, 6720643999), (23, 876605739), (37, 544917081), (69, 292201913), (107, 188429271), (111, 181639027), (321, 62809757), (529, 38113293), (851, 23692047), (1587, 12704431), (2461, 8192577), (2553, 7897349), (3209, 6282933), (3959, 5092683), (7383, 2730859), (9627, 2094311), (11877, 1697561), (19573, 1030089), (56603, 356199), (58719, 343363), (73807, 273171), (91057, 221421), (118733, 169809)]