2009637

素因数分解:

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

素因数の和:68

約数の個数: 40

約数和(自身を含む): 3585280

約数和(自身を除く): 1575643

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, 2401, 3087, 4557, 5859, 7203, 9261, 10633, 13671, 21609, 31899, 41013, 64827, 74431, 95697, 223293, 287091, 669879, 2009637]

約数ペア:

[(1, 2009637), (3, 669879), (7, 287091), (9, 223293), (21, 95697), (27, 74431), (31, 64827), (49, 41013), (63, 31899), (93, 21609), (147, 13671), (189, 10633), (217, 9261), (279, 7203), (343, 5859), (441, 4557), (651, 3087), (837, 2401), (1029, 1953), (1323, 1519)]