31867101

素因数分解:

$3^4\times 7^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:101

約数の個数: 80

約数和(自身を含む): 58854400

約数和(自身を除く): 26987299

約数列:

[1, 3, 7, 9, 21, 27, 31, 37, 49, 63, 81, 93, 111, 147, 189, 217, 259, 279, 333, 343, 441, 567, 651, 777, 837, 999, 1029, 1147, 1323, 1519, 1813, 1953, 2331, 2511, 2997, 3087, 3441, 3969, 4557, 5439, 5859, 6993, 8029, 9261, 10323, 10633, 12691, 13671, 16317, 17577, 20979, 24087, 27783, 30969, 31899, 38073, 41013, 48951, 56203, 72261, 92907, 95697, 114219, 123039, 146853, 168609, 216783, 287091, 342657, 393421, 505827, 650349, 861273, 1027971, 1180263, 1517481, 3540789, 4552443, 10622367, 31867101]

約数ペア:

[(1, 31867101), (3, 10622367), (7, 4552443), (9, 3540789), (21, 1517481), (27, 1180263), (31, 1027971), (37, 861273), (49, 650349), (63, 505827), (81, 393421), (93, 342657), (111, 287091), (147, 216783), (189, 168609), (217, 146853), (259, 123039), (279, 114219), (333, 95697), (343, 92907), (441, 72261), (567, 56203), (651, 48951), (777, 41013), (837, 38073), (999, 31899), (1029, 30969), (1147, 27783), (1323, 24087), (1519, 20979), (1813, 17577), (1953, 16317), (2331, 13671), (2511, 12691), (2997, 10633), (3087, 10323), (3441, 9261), (3969, 8029), (4557, 6993), (5439, 5859)]