287091

素因数分解:

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

素因数の和:61

約数の個数: 32

約数和(自身を含む): 512000

約数和(自身を除く): 224909

約数列:

[1, 3, 7, 9, 21, 27, 31, 49, 63, 93, 147, 189, 217, 279, 343, 441, 651, 837, 1029, 1323, 1519, 1953, 3087, 4557, 5859, 9261, 10633, 13671, 31899, 41013, 95697, 287091]

約数ペア:

[(1, 287091), (3, 95697), (7, 41013), (9, 31899), (21, 13671), (27, 10633), (31, 9261), (49, 5859), (63, 4557), (93, 3087), (147, 1953), (189, 1519), (217, 1323), (279, 1029), (343, 837), (441, 651)]