666213405

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1$

素因数の和:339

約数の個数: 128

約数和(自身を含む): 1328431104

約数和(自身を除く): 662217699

約数列:

[1, 3, 5, 11, 13, 15, 31, 33, 39, 43, 55, 65, 93, 129, 143, 155, 165, 195, 215, 233, 341, 403, 429, 465, 473, 559, 645, 699, 715, 1023, 1165, 1209, 1333, 1419, 1677, 1705, 2015, 2145, 2365, 2563, 2795, 3029, 3495, 3999, 4433, 5115, 6045, 6149, 6665, 7095, 7223, 7689, 8385, 9087, 10019, 12815, 13299, 14663, 15145, 17329, 18447, 19995, 21669, 22165, 30057, 30745, 33319, 36115, 38445, 43989, 45435, 50095, 51987, 66495, 73315, 79453, 86645, 92235, 93899, 99957, 108345, 110209, 130247, 150285, 166595, 190619, 219945, 238359, 259935, 281697, 310589, 330627, 390741, 397265, 469495, 499785, 551045, 571857, 651235, 931767, 953095, 1032889, 1191795, 1408485, 1432717, 1552945, 1653135, 1953705, 2859285, 3098667, 3416479, 4037657, 4298151, 4658835, 5164445, 7163585, 10249437, 12112971, 15493335, 17082395, 20188285, 21490755, 44414227, 51247185, 60564855, 133242681, 222071135, 666213405]

約数ペア:

[(1, 666213405), (3, 222071135), (5, 133242681), (11, 60564855), (13, 51247185), (15, 44414227), (31, 21490755), (33, 20188285), (39, 17082395), (43, 15493335), (55, 12112971), (65, 10249437), (93, 7163585), (129, 5164445), (143, 4658835), (155, 4298151), (165, 4037657), (195, 3416479), (215, 3098667), (233, 2859285), (341, 1953705), (403, 1653135), (429, 1552945), (465, 1432717), (473, 1408485), (559, 1191795), (645, 1032889), (699, 953095), (715, 931767), (1023, 651235), (1165, 571857), (1209, 551045), (1333, 499785), (1419, 469495), (1677, 397265), (1705, 390741), (2015, 330627), (2145, 310589), (2365, 281697), (2563, 259935), (2795, 238359), (3029, 219945), (3495, 190619), (3999, 166595), (4433, 150285), (5115, 130247), (6045, 110209), (6149, 108345), (6665, 99957), (7095, 93899), (7223, 92235), (7689, 86645), (8385, 79453), (9087, 73315), (10019, 66495), (12815, 51987), (13299, 50095), (14663, 45435), (15145, 43989), (17329, 38445), (18447, 36115), (19995, 33319), (21669, 30745), (22165, 30057)]