2016179991

素因数分解:

$3^7\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:233

約数の個数: 128

約数和(自身を含む): 3748331520

約数和(自身を除く): 1732151529

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 61, 63, 81, 119, 127, 153, 183, 189, 243, 357, 381, 427, 459, 549, 567, 729, 889, 1037, 1071, 1143, 1281, 1377, 1647, 1701, 2159, 2187, 2667, 3111, 3213, 3429, 3843, 4131, 4941, 5103, 6477, 7259, 7747, 8001, 9333, 9639, 10287, 11529, 12393, 14823, 15113, 15309, 19431, 21777, 23241, 24003, 27999, 28917, 30861, 34587, 37179, 44469, 45339, 54229, 58293, 65331, 69723, 72009, 83997, 86751, 92583, 103761, 131699, 133407, 136017, 162687, 174879, 195993, 209169, 216027, 251991, 260253, 277749, 311283, 395097, 408051, 488061, 524637, 587979, 627507, 648081, 755973, 921893, 933849, 1185291, 1224153, 1464183, 1573911, 1763937, 1882521, 1944243, 2267919, 2765679, 3555873, 3672459, 4392549, 4721733, 5291811, 5647563, 8297037, 10667619, 11017377, 13177647, 15875433, 16942689, 24891111, 32002857, 33052131, 39532941, 74673333, 96008571, 118598823, 224019999, 288025713, 672059997, 2016179991]

約数ペア:

[(1, 2016179991), (3, 672059997), (7, 288025713), (9, 224019999), (17, 118598823), (21, 96008571), (27, 74673333), (51, 39532941), (61, 33052131), (63, 32002857), (81, 24891111), (119, 16942689), (127, 15875433), (153, 13177647), (183, 11017377), (189, 10667619), (243, 8297037), (357, 5647563), (381, 5291811), (427, 4721733), (459, 4392549), (549, 3672459), (567, 3555873), (729, 2765679), (889, 2267919), (1037, 1944243), (1071, 1882521), (1143, 1763937), (1281, 1573911), (1377, 1464183), (1647, 1224153), (1701, 1185291), (2159, 933849), (2187, 921893), (2667, 755973), (3111, 648081), (3213, 627507), (3429, 587979), (3843, 524637), (4131, 488061), (4941, 408051), (5103, 395097), (6477, 311283), (7259, 277749), (7747, 260253), (8001, 251991), (9333, 216027), (9639, 209169), (10287, 195993), (11529, 174879), (12393, 162687), (14823, 136017), (15113, 133407), (15309, 131699), (19431, 103761), (21777, 92583), (23241, 86751), (24003, 83997), (27999, 72009), (28917, 69723), (30861, 65331), (34587, 58293), (37179, 54229), (44469, 45339)]