81357738

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{2287}}^1$

素因数の和:2328

約数の個数: 72

約数和(自身を含む): 208143936

約数和(自身を除く): 126786198

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 49, 66, 77, 98, 121, 147, 154, 231, 242, 294, 363, 462, 539, 726, 847, 1078, 1617, 1694, 2287, 2541, 3234, 4574, 5082, 5929, 6861, 11858, 13722, 16009, 17787, 25157, 32018, 35574, 48027, 50314, 75471, 96054, 112063, 150942, 176099, 224126, 276727, 336189, 352198, 528297, 553454, 672378, 830181, 1056594, 1232693, 1660362, 1937089, 2465386, 3698079, 3874178, 5811267, 7396158, 11622534, 13559623, 27119246, 40678869, 81357738]

約数ペア:

[(1, 81357738), (2, 40678869), (3, 27119246), (6, 13559623), (7, 11622534), (11, 7396158), (14, 5811267), (21, 3874178), (22, 3698079), (33, 2465386), (42, 1937089), (49, 1660362), (66, 1232693), (77, 1056594), (98, 830181), (121, 672378), (147, 553454), (154, 528297), (231, 352198), (242, 336189), (294, 276727), (363, 224126), (462, 176099), (539, 150942), (726, 112063), (847, 96054), (1078, 75471), (1617, 50314), (1694, 48027), (2287, 35574), (2541, 32018), (3234, 25157), (4574, 17787), (5082, 16009), (5929, 13722), (6861, 11858)]