890379

素因数分解:

$3^3\times 7^2\times {\mathrm{673}}^1$

素因数の和:696

約数の個数: 24

約数和(自身を含む): 1536720

約数和(自身を除く): 646341

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 673, 1323, 2019, 4711, 6057, 14133, 18171, 32977, 42399, 98931, 127197, 296793, 890379]

約数ペア:

[(1, 890379), (3, 296793), (7, 127197), (9, 98931), (21, 42399), (27, 32977), (49, 18171), (63, 14133), (147, 6057), (189, 4711), (441, 2019), (673, 1323)]