207928071

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{977}}^1$

素因数の和:1120

約数の個数: 48

約数和(自身を含む): 346024224

約数和(自身を除く): 138096153

約数列:

[1, 3, 9, 13, 17, 39, 51, 107, 117, 153, 221, 321, 663, 963, 977, 1391, 1819, 1989, 2931, 4173, 5457, 8793, 12519, 12701, 16371, 16609, 23647, 38103, 49827, 70941, 104539, 114309, 149481, 212823, 215917, 313617, 647751, 940851, 1359007, 1777163, 1943253, 4077021, 5331489, 12231063, 15994467, 23103119, 69309357, 207928071]

約数ペア:

[(1, 207928071), (3, 69309357), (9, 23103119), (13, 15994467), (17, 12231063), (39, 5331489), (51, 4077021), (107, 1943253), (117, 1777163), (153, 1359007), (221, 940851), (321, 647751), (663, 313617), (963, 215917), (977, 212823), (1391, 149481), (1819, 114309), (1989, 104539), (2931, 70941), (4173, 49827), (5457, 38103), (8793, 23647), (12519, 16609), (12701, 16371)]