30718737

素因数分解:

$3^3\times 7^3\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:168

約数の個数: 64

約数和(自身を含む): 55296000

約数和(自身を除く): 24577263

約数列:

[1, 3, 7, 9, 21, 27, 31, 49, 63, 93, 107, 147, 189, 217, 279, 321, 343, 441, 651, 749, 837, 963, 1029, 1323, 1519, 1953, 2247, 2889, 3087, 3317, 4557, 5243, 5859, 6741, 9261, 9951, 10633, 13671, 15729, 20223, 23219, 29853, 31899, 36701, 41013, 47187, 69657, 89559, 95697, 110103, 141561, 162533, 208971, 287091, 330309, 487599, 626913, 990927, 1137731, 1462797, 3413193, 4388391, 10239579, 30718737]

約数ペア:

[(1, 30718737), (3, 10239579), (7, 4388391), (9, 3413193), (21, 1462797), (27, 1137731), (31, 990927), (49, 626913), (63, 487599), (93, 330309), (107, 287091), (147, 208971), (189, 162533), (217, 141561), (279, 110103), (321, 95697), (343, 89559), (441, 69657), (651, 47187), (749, 41013), (837, 36701), (963, 31899), (1029, 29853), (1323, 23219), (1519, 20223), (1953, 15729), (2247, 13671), (2889, 10633), (3087, 9951), (3317, 9261), (4557, 6741), (5243, 5859)]