81415836

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{3217}}^1$

素因数の和:3283

約数の個数: 72

約数和(自身を含む): 222556880

約数和(自身を除く): 141141044

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 37, 38, 57, 74, 76, 111, 114, 148, 171, 222, 228, 333, 342, 444, 666, 684, 703, 1332, 1406, 2109, 2812, 3217, 4218, 6327, 6434, 8436, 9651, 12654, 12868, 19302, 25308, 28953, 38604, 57906, 61123, 115812, 119029, 122246, 183369, 238058, 244492, 357087, 366738, 476116, 550107, 714174, 733476, 1071261, 1100214, 1428348, 2142522, 2200428, 2261551, 4285044, 4523102, 6784653, 9046204, 13569306, 20353959, 27138612, 40707918, 81415836]

約数ペア:

[(1, 81415836), (2, 40707918), (3, 27138612), (4, 20353959), (6, 13569306), (9, 9046204), (12, 6784653), (18, 4523102), (19, 4285044), (36, 2261551), (37, 2200428), (38, 2142522), (57, 1428348), (74, 1100214), (76, 1071261), (111, 733476), (114, 714174), (148, 550107), (171, 476116), (222, 366738), (228, 357087), (333, 244492), (342, 238058), (444, 183369), (666, 122246), (684, 119029), (703, 115812), (1332, 61123), (1406, 57906), (2109, 38604), (2812, 28953), (3217, 25308), (4218, 19302), (6327, 12868), (6434, 12654), (8436, 9651)]