2881197

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:218

約数の個数: 32

約数和(自身を含む): 4752000

約数和(自身を除く): 1870803

約数列:

[1, 3, 9, 11, 27, 33, 89, 99, 109, 267, 297, 327, 801, 979, 981, 1199, 2403, 2937, 2943, 3597, 8811, 9701, 10791, 26433, 29103, 32373, 87309, 106711, 261927, 320133, 960399, 2881197]

約数ペア:

[(1, 2881197), (3, 960399), (9, 320133), (11, 261927), (27, 106711), (33, 87309), (89, 32373), (99, 29103), (109, 26433), (267, 10791), (297, 9701), (327, 8811), (801, 3597), (979, 2943), (981, 2937), (1199, 2403)]