81333756

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{16987}}^1$

素因数の和:17023

約数の個数: 72

約数和(自身を含む): 247345280

約数和(自身を除く): 166011524

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 252, 266, 342, 399, 532, 684, 798, 1197, 1596, 2394, 4788, 16987, 33974, 50961, 67948, 101922, 118909, 152883, 203844, 237818, 305766, 322753, 356727, 475636, 611532, 645506, 713454, 968259, 1070181, 1291012, 1426908, 1936518, 2140362, 2259271, 2904777, 3873036, 4280724, 4518542, 5809554, 6777813, 9037084, 11619108, 13555626, 20333439, 27111252, 40666878, 81333756]

約数ペア:

[(1, 81333756), (2, 40666878), (3, 27111252), (4, 20333439), (6, 13555626), (7, 11619108), (9, 9037084), (12, 6777813), (14, 5809554), (18, 4518542), (19, 4280724), (21, 3873036), (28, 2904777), (36, 2259271), (38, 2140362), (42, 1936518), (57, 1426908), (63, 1291012), (76, 1070181), (84, 968259), (114, 713454), (126, 645506), (133, 611532), (171, 475636), (228, 356727), (252, 322753), (266, 305766), (342, 237818), (399, 203844), (532, 152883), (684, 118909), (798, 101922), (1197, 67948), (1596, 50961), (2394, 33974), (4788, 16987)]