217023975

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1997}}^1$

素因数の和:2046

約数の個数: 96

約数和(自身を含む): 475683840

約数和(自身を除く): 258659865

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 25, 27, 35, 45, 63, 69, 75, 105, 115, 135, 161, 175, 189, 207, 225, 315, 345, 483, 525, 575, 621, 675, 805, 945, 1035, 1449, 1575, 1725, 1997, 2415, 3105, 4025, 4347, 4725, 5175, 5991, 7245, 9985, 12075, 13979, 15525, 17973, 21735, 29955, 36225, 41937, 45931, 49925, 53919, 69895, 89865, 108675, 125811, 137793, 149775, 209685, 229655, 269595, 321517, 349475, 377433, 413379, 449325, 629055, 688965, 964551, 1048425, 1148275, 1240137, 1347975, 1607585, 1887165, 2066895, 2893653, 3145275, 3444825, 4822755, 6200685, 8037925, 8680959, 9435825, 10334475, 14468265, 24113775, 31003425, 43404795, 72341325, 217023975]

約数ペア:

[(1, 217023975), (3, 72341325), (5, 43404795), (7, 31003425), (9, 24113775), (15, 14468265), (21, 10334475), (23, 9435825), (25, 8680959), (27, 8037925), (35, 6200685), (45, 4822755), (63, 3444825), (69, 3145275), (75, 2893653), (105, 2066895), (115, 1887165), (135, 1607585), (161, 1347975), (175, 1240137), (189, 1148275), (207, 1048425), (225, 964551), (315, 688965), (345, 629055), (483, 449325), (525, 413379), (575, 377433), (621, 349475), (675, 321517), (805, 269595), (945, 229655), (1035, 209685), (1449, 149775), (1575, 137793), (1725, 125811), (1997, 108675), (2415, 89865), (3105, 69895), (4025, 53919), (4347, 49925), (4725, 45931), (5175, 41937), (5991, 36225), (7245, 29955), (9985, 21735), (12075, 17973), (13979, 15525)]