81757836

素因数分解:

$2^2\times 3^5\times {\mathrm{19}}^2\times {\mathrm{233}}^1$

素因数の和:290

約数の個数: 108

約数和(自身を含む): 227164392

約数和(自身を除く): 145406556

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 114, 162, 171, 228, 233, 243, 324, 342, 361, 466, 486, 513, 684, 699, 722, 932, 972, 1026, 1083, 1398, 1444, 1539, 2052, 2097, 2166, 2796, 3078, 3249, 4194, 4332, 4427, 4617, 6156, 6291, 6498, 8388, 8854, 9234, 9747, 12582, 12996, 13281, 17708, 18468, 18873, 19494, 25164, 26562, 29241, 37746, 38988, 39843, 53124, 56619, 58482, 75492, 79686, 84113, 87723, 113238, 116964, 119529, 159372, 168226, 175446, 226476, 239058, 252339, 336452, 350892, 358587, 478116, 504678, 717174, 757017, 1009356, 1075761, 1434348, 1514034, 2151522, 2271051, 3028068, 4303044, 4542102, 6813153, 9084204, 13626306, 20439459, 27252612, 40878918, 81757836]

約数ペア:

[(1, 81757836), (2, 40878918), (3, 27252612), (4, 20439459), (6, 13626306), (9, 9084204), (12, 6813153), (18, 4542102), (19, 4303044), (27, 3028068), (36, 2271051), (38, 2151522), (54, 1514034), (57, 1434348), (76, 1075761), (81, 1009356), (108, 757017), (114, 717174), (162, 504678), (171, 478116), (228, 358587), (233, 350892), (243, 336452), (324, 252339), (342, 239058), (361, 226476), (466, 175446), (486, 168226), (513, 159372), (684, 119529), (699, 116964), (722, 113238), (932, 87723), (972, 84113), (1026, 79686), (1083, 75492), (1398, 58482), (1444, 56619), (1539, 53124), (2052, 39843), (2097, 38988), (2166, 37746), (2796, 29241), (3078, 26562), (3249, 25164), (4194, 19494), (4332, 18873), (4427, 18468), (4617, 17708), (6156, 13281), (6291, 12996), (6498, 12582), (8388, 9747), (8854, 9234)]