221688285

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{31}}^2$

素因数の和:116

約数の個数: 96

約数和(自身を含む): 453761280

約数和(自身を除く): 232072995

約数列:

[1, 3, 5, 7, 13, 15, 21, 31, 35, 39, 65, 91, 93, 105, 155, 169, 195, 217, 273, 403, 455, 465, 507, 651, 845, 961, 1085, 1183, 1209, 1365, 2015, 2197, 2535, 2821, 2883, 3255, 3549, 4805, 5239, 5915, 6045, 6591, 6727, 8463, 10985, 12493, 14105, 14415, 15379, 15717, 17745, 20181, 26195, 32955, 33635, 36673, 37479, 42315, 46137, 62465, 68107, 76895, 78585, 87451, 100905, 110019, 162409, 183365, 187395, 204321, 230685, 262353, 340535, 437255, 476749, 487227, 550095, 812045, 1021605, 1136863, 1311765, 1430247, 2111317, 2383745, 2436135, 3410589, 5684315, 6333951, 7151235, 10556585, 14779219, 17052945, 31669755, 44337657, 73896095, 221688285]

約数ペア:

[(1, 221688285), (3, 73896095), (5, 44337657), (7, 31669755), (13, 17052945), (15, 14779219), (21, 10556585), (31, 7151235), (35, 6333951), (39, 5684315), (65, 3410589), (91, 2436135), (93, 2383745), (105, 2111317), (155, 1430247), (169, 1311765), (195, 1136863), (217, 1021605), (273, 812045), (403, 550095), (455, 487227), (465, 476749), (507, 437255), (651, 340535), (845, 262353), (961, 230685), (1085, 204321), (1183, 187395), (1209, 183365), (1365, 162409), (2015, 110019), (2197, 100905), (2535, 87451), (2821, 78585), (2883, 76895), (3255, 68107), (3549, 62465), (4805, 46137), (5239, 42315), (5915, 37479), (6045, 36673), (6591, 33635), (6727, 32955), (8463, 26195), (10985, 20181), (12493, 17745), (14105, 15717), (14415, 15379)]