221092353

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{28867}}^1$

素因数の和:28933

約数の個数: 24

約数和(自身を含む): 342259008

約数和(自身を除く): 121166655

約数列:

[1, 3, 9, 23, 37, 69, 111, 207, 333, 851, 2553, 7659, 28867, 86601, 259803, 663941, 1068079, 1991823, 3204237, 5975469, 9612711, 24565817, 73697451, 221092353]

約数ペア:

[(1, 221092353), (3, 73697451), (9, 24565817), (23, 9612711), (37, 5975469), (69, 3204237), (111, 1991823), (207, 1068079), (333, 663941), (851, 259803), (2553, 86601), (7659, 28867)]