2213379

素因数分解:

$3^3\times 7^3\times {\mathrm{239}}^1$

素因数の和:269

約数の個数: 32

約数和(自身を含む): 3840000

約数和(自身を除く): 1626621

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 239, 343, 441, 717, 1029, 1323, 1673, 2151, 3087, 5019, 6453, 9261, 11711, 15057, 35133, 45171, 81977, 105399, 245931, 316197, 737793, 2213379]

約数ペア:

[(1, 2213379), (3, 737793), (7, 316197), (9, 245931), (21, 105399), (27, 81977), (49, 45171), (63, 35133), (147, 15057), (189, 11711), (239, 9261), (343, 6453), (441, 5019), (717, 3087), (1029, 2151), (1323, 1673)]