81133164

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{83}}^1\times {\mathrm{431}}^1$

素因数の和:537

約数の個数: 120

約数和(自身を含む): 245887488

約数和(自身を除く): 164754324

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 83, 84, 108, 126, 162, 166, 189, 249, 252, 324, 332, 378, 431, 498, 567, 581, 747, 756, 862, 996, 1134, 1162, 1293, 1494, 1724, 1743, 2241, 2268, 2324, 2586, 2988, 3017, 3486, 3879, 4482, 5172, 5229, 6034, 6723, 6972, 7758, 8964, 9051, 10458, 11637, 12068, 13446, 15516, 15687, 18102, 20916, 23274, 26892, 27153, 31374, 34911, 35773, 36204, 46548, 47061, 54306, 62748, 69822, 71546, 81459, 94122, 107319, 108612, 139644, 143092, 162918, 188244, 214638, 244377, 250411, 321957, 325836, 429276, 488754, 500822, 643914, 751233, 965871, 977508, 1001644, 1287828, 1502466, 1931742, 2253699, 2897613, 3004932, 3863484, 4507398, 5795226, 6761097, 9014796, 11590452, 13522194, 20283291, 27044388, 40566582, 81133164]

約数ペア:

[(1, 81133164), (2, 40566582), (3, 27044388), (4, 20283291), (6, 13522194), (7, 11590452), (9, 9014796), (12, 6761097), (14, 5795226), (18, 4507398), (21, 3863484), (27, 3004932), (28, 2897613), (36, 2253699), (42, 1931742), (54, 1502466), (63, 1287828), (81, 1001644), (83, 977508), (84, 965871), (108, 751233), (126, 643914), (162, 500822), (166, 488754), (189, 429276), (249, 325836), (252, 321957), (324, 250411), (332, 244377), (378, 214638), (431, 188244), (498, 162918), (567, 143092), (581, 139644), (747, 108612), (756, 107319), (862, 94122), (996, 81459), (1134, 71546), (1162, 69822), (1293, 62748), (1494, 54306), (1724, 47061), (1743, 46548), (2241, 36204), (2268, 35773), (2324, 34911), (2586, 31374), (2988, 27153), (3017, 26892), (3486, 23274), (3879, 20916), (4482, 18102), (5172, 15687), (5229, 15516), (6034, 13446), (6723, 12068), (6972, 11637), (7758, 10458), (8964, 9051)]