408923385

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{1663}}^1$

素因数の和:1794

約数の個数: 48

約数和(自身を含む): 716212224

約数和(自身を除く): 307288839

約数列:

[1, 3, 5, 13, 15, 39, 65, 97, 169, 195, 291, 485, 507, 845, 1261, 1455, 1663, 2535, 3783, 4989, 6305, 8315, 16393, 18915, 21619, 24945, 49179, 64857, 81965, 108095, 161311, 245895, 281047, 324285, 483933, 806555, 843141, 1405235, 2097043, 2419665, 4215705, 6291129, 10485215, 27261559, 31455645, 81784677, 136307795, 408923385]

約数ペア:

[(1, 408923385), (3, 136307795), (5, 81784677), (13, 31455645), (15, 27261559), (39, 10485215), (65, 6291129), (97, 4215705), (169, 2419665), (195, 2097043), (291, 1405235), (485, 843141), (507, 806555), (845, 483933), (1261, 324285), (1455, 281047), (1663, 245895), (2535, 161311), (3783, 108095), (4989, 81965), (6305, 64857), (8315, 49179), (16393, 24945), (18915, 21619)]