81737586

素因数分解:

$2^1\times 3^4\times 7^3\times {\mathrm{1471}}^1$

素因数の和:1506

約数の個数: 80

約数和(自身を含む): 213734400

約数和(自身を除く): 131996814

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 81, 98, 126, 147, 162, 189, 294, 343, 378, 441, 567, 686, 882, 1029, 1134, 1323, 1471, 2058, 2646, 2942, 3087, 3969, 4413, 6174, 7938, 8826, 9261, 10297, 13239, 18522, 20594, 26478, 27783, 30891, 39717, 55566, 61782, 72079, 79434, 92673, 119151, 144158, 185346, 216237, 238302, 278019, 432474, 504553, 556038, 648711, 834057, 1009106, 1297422, 1513659, 1668114, 1946133, 3027318, 3892266, 4540977, 5838399, 9081954, 11676798, 13622931, 27245862, 40868793, 81737586]

約数ペア:

[(1, 81737586), (2, 40868793), (3, 27245862), (6, 13622931), (7, 11676798), (9, 9081954), (14, 5838399), (18, 4540977), (21, 3892266), (27, 3027318), (42, 1946133), (49, 1668114), (54, 1513659), (63, 1297422), (81, 1009106), (98, 834057), (126, 648711), (147, 556038), (162, 504553), (189, 432474), (294, 278019), (343, 238302), (378, 216237), (441, 185346), (567, 144158), (686, 119151), (882, 92673), (1029, 79434), (1134, 72079), (1323, 61782), (1471, 55566), (2058, 39717), (2646, 30891), (2942, 27783), (3087, 26478), (3969, 20594), (4413, 18522), (6174, 13239), (7938, 10297), (8826, 9261)]