81809028

素因数分解:

$2^2\times 3^4\times 7^2\times {\mathrm{5153}}^1$

素因数の和:5183

約数の個数: 90

約数和(自身を含む): 248829966

約数和(自身を除く): 167020938

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 81, 84, 98, 108, 126, 147, 162, 189, 196, 252, 294, 324, 378, 441, 567, 588, 756, 882, 1134, 1323, 1764, 2268, 2646, 3969, 5153, 5292, 7938, 10306, 15459, 15876, 20612, 30918, 36071, 46377, 61836, 72142, 92754, 108213, 139131, 144284, 185508, 216426, 252497, 278262, 324639, 417393, 432852, 504994, 556524, 649278, 757491, 834786, 973917, 1009988, 1298556, 1514982, 1669572, 1947834, 2272473, 2921751, 3029964, 3895668, 4544946, 5843502, 6817419, 9089892, 11687004, 13634838, 20452257, 27269676, 40904514, 81809028]

約数ペア:

[(1, 81809028), (2, 40904514), (3, 27269676), (4, 20452257), (6, 13634838), (7, 11687004), (9, 9089892), (12, 6817419), (14, 5843502), (18, 4544946), (21, 3895668), (27, 3029964), (28, 2921751), (36, 2272473), (42, 1947834), (49, 1669572), (54, 1514982), (63, 1298556), (81, 1009988), (84, 973917), (98, 834786), (108, 757491), (126, 649278), (147, 556524), (162, 504994), (189, 432852), (196, 417393), (252, 324639), (294, 278262), (324, 252497), (378, 216426), (441, 185508), (567, 144284), (588, 139131), (756, 108213), (882, 92754), (1134, 72142), (1323, 61836), (1764, 46377), (2268, 36071), (2646, 30918), (3969, 20612), (5153, 15876), (5292, 15459), (7938, 10306)]