28305386505

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1\times {\mathrm{2663}}^1$

素因数の和:2991

約数の個数: 96

約数和(自身を含む): 54308517120

約数和(自身を除く): 26003130615

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 109, 165, 197, 327, 495, 545, 591, 981, 985, 1199, 1635, 1773, 2167, 2663, 2955, 3597, 4905, 5995, 6501, 7989, 8865, 10791, 10835, 13315, 17985, 19503, 21473, 23967, 29293, 32505, 39945, 53955, 64419, 87879, 97515, 107365, 119835, 146465, 193257, 236203, 263637, 290267, 322095, 439395, 524611, 708609, 870801, 966285, 1181015, 1318185, 1451335, 1573833, 2125827, 2612403, 2623055, 3192937, 3543045, 4354005, 4721499, 5770721, 7869165, 9578811, 10629135, 13062015, 15964685, 17312163, 23607495, 28736433, 28853605, 47894055, 51936489, 57182599, 86560815, 143682165, 171547797, 259682445, 285912995, 514643391, 629008589, 857738985, 1887025767, 2573216955, 3145042945, 5661077301, 9435128835, 28305386505]

約数ペア:

[(1, 28305386505), (3, 9435128835), (5, 5661077301), (9, 3145042945), (11, 2573216955), (15, 1887025767), (33, 857738985), (45, 629008589), (55, 514643391), (99, 285912995), (109, 259682445), (165, 171547797), (197, 143682165), (327, 86560815), (495, 57182599), (545, 51936489), (591, 47894055), (981, 28853605), (985, 28736433), (1199, 23607495), (1635, 17312163), (1773, 15964685), (2167, 13062015), (2663, 10629135), (2955, 9578811), (3597, 7869165), (4905, 5770721), (5995, 4721499), (6501, 4354005), (7989, 3543045), (8865, 3192937), (10791, 2623055), (10835, 2612403), (13315, 2125827), (17985, 1573833), (19503, 1451335), (21473, 1318185), (23967, 1181015), (29293, 966285), (32505, 870801), (39945, 708609), (53955, 524611), (64419, 439395), (87879, 322095), (97515, 290267), (107365, 263637), (119835, 236203), (146465, 193257)]